Unit 19 Lesson 5: Controlling the Body
How do you keep your balance while riding a bike? Why do certain things smell and taste so good? How does our brain keep all the parts of our body doing their jobs, while still allowing us to learn and remember new things? The answer to these, and many more, questions, can be answered by learning about the nervous system. This group of organs is so important because it controls ...
The Scientific Method
The scientific method is a series of 5 steps that scientists use to do research. But, honestly, you use it every day too! The five steps are Observation, Hypothesis, Test, Collect Data, and Report Results. That sounds pretty complicated but don’t worry, they are just big words. Here's what these words mean and then we’ll play with them.
Unit 19 Lesson 4: Respiratory & Excretory Systems
In this section, you will learn about two body systems. The excretory system removes waste from the body. The respiratory system removes carbon dioxide, which is one form of waste, from the body. Along with carbon dioxide, a major form of waste is urine, which is removed by the urinary system. This is important because removing waste is a crucial function of the body. Diseases to any of these systems can ...
Unit 11 Lesson 1: Magnets
What IS magnetism, anyway? You can feel how two north sides of a magnet push against each other, but what IS that invisible force, and why is it there? And how come magnets stick to the fridge and not a soda can? We'll about to dive seep into the mysterious world of magnetism. Although scientists are still trying to puzzle out some of its secrets, I'm going to get you ...
Unit 9 Lesson 2: Lasers
Lasers are super-cool gadgets that focus the light energy into a narrow beam you can tease cats and small kids with. Lasers first made their appearance in the 1960s, but had been thought about since the early 1900s by Einstein. We're going to learn how to split, shatter, mix, bounce, gyrate, and spray laser light beams across our homemade lab bench. Are you ready? You can get started ...
Unit 18 Lesson 1: Invertebrates
This lesson covers the wonderful world of spineless creatures—invertebrates. Invertebrates are animals without backbones. There are many different types of invertebrates: from starfish to bees to worms to sea angels! Here are the different types we’re going to learn about: Sponges are colonies of specialized cells. They feed by filtering the water around them. They are bound to the ground beneath them. They have no nerves. They are held together through the ...
Unit 11 Lesson 2: Electromagnetism
This is one of the most important scientific discoveries of all time: moving magnets create electricity. Before this, people thought of electricity and magnetism as two separate things. When scientists realized that not only were they linked together, but that one causes the other, then the physics really started to fly! In this lesson, we're going to take a closer look at how magnets create electricity by building electromagnets, galvanometers, motors, ...
Unit 14: Electronics
Strange things happen when you run electricity through resistors, capacitors, transistors, diodes, relays, and LEDs... you get FM transmitters, door alarms, police sirens, robot sensors, and much more! And that's exactly what we're going to learn about in this unit. We're going to take the electronic world apart piece by piece so you can truly understand the how and why circuits really work by building several ultra-cool electronics projects. [jwplayer config=UnitPlayer ...
Unit 7 Lesson 3: Relativity
This lesson on Relativity is intended for advanced students who are thirsty for more and really want to get an overview of college-level physics and a start on how to think about relativity and Einstein’s big ideas. Relativity originally came from the questions asked about electricity and magnetism. The experiments and activities for this section are purely mental exercises and can be found in the last section: Exercises for Lesson 3. ...
Unit 11: Magnetism
Did you know that if you cut a magnet in half to try to separate the north from the south pole, you'll wind up with two magnets, each with their own north and south poles? Turns out that the poles are impossible to separate! Now that you’ve spent a few lessons learning about the strange world of the atom (Unit 3 & Unit 8), it’s time to discover ...
Unit 6: Sound
Sound is a form of energy. Energy is the ability to move something over a distance against a force, remember? What is moving to make sound energy? [jwplayer config=UnitPlayer file=http://escience.s3.amazonaws.com/unit6/Unit6-Intro.flv image=http://www.sciencelearningspace.com/wp-content/themes/chrome_20/images/sound-wave-red1.jpg] Molecules. Molecules are vibrating back and forth at fairly high rates of speed, creating waves. Energy moves from place to place by waves. Sound energy moves by longitudinal waves (the waves that are like a slinky). The molecules vibrate back and ...
Unit 18: Biology 1
Animals are all around us. As we walk through our neighborhood, we likely see animals being kept as pets, insects crawling on the ground, and birds flying through the trees. Depending on where you live, you may also see animals living in rivers, lakes, and swamps. How are these animals similar? How are they different? Why do they behave in the ways they do? ...
Unit 13 Lesson 2: Heat Energy
Believe it or not, the concept of heat is really a bit tricky. What we call heat in common language, is really not what heat is as far as physics goes. Heat, in a way, doesn’t exist. Nothing has heat. Things can have a temperature. They can have a thermal energy but they can’t have heat. Heat is ...
Unit 19: Biology 2
Your body does a tremendous number of things all the time. In these sections, you’ll learn about your skeleton, bone joints, muscle tension, blood cells, lungs, ears, eyes, and so much more! Some of the experiments you’ll be creating include: a working lung model so you can see how pressure differences affect the lungs and diaphragm; a robotic hand model with real tendons; working eye model which you can adapt for ...
Unit 17 Lesson 1: Prokaryotes
In this section, you will learn about the two major groups of prokaryotes, bacteria and archaea. For each group, we will talk about how these living things survive and grow, by discussing their physical structure, methods of getting energy, and methods of reproduction. We will also discuss how these living things interact with other living things, including humans. This is important because prokaryotes are incredibly common and have a huge impact ...
Unit 1 Lesson 3: Friction
If you slap your hands together and rub them back and forth, you'll feel your skin start to warm. Why is that? If you answered friction, you're right. But what is friction really? Would your hands feel warmer if they were larger? Or rougher? Or darker? What sorts of things affect the amount of friction between two surfaces? If you read a textbook from twenty years ago, you'll find ...
Unit 14 Lesson 1: Bread Boards
Prototyping & Experimenting When you want to built an electronic circuit, you can certainly connect things together using clip leads like you did in other electronic circuits. But, most circuits need dozens of wires. If you can imagine trying to clip 50 clip leads to terminals without having a single one come off or touch another that it shouldn’t, you’ll probably guess this won’t work very well. So, we use some ...
Unit 15 Lesson 1: Intermediate Chemistry
Split the water molecule, fire copper ions across a solution, capture oxide gases, create a magnesium battery, and more with this lesson in chemistry. You’ll also be able to identify the elements in different chemical substances with dazzling colors in flame tests. With this lesson, you will begin to build a strong foundation in chemistry with exposure to a broad range of chemical phenomena and hands-on laboratory experience. Here’s what you can ...
Unit 9: Light
Energy can take one of two forms: matter and light (called electromagnetic radiation). Light is energy in the form of either a particle or a wave that can travel through space and some kinds of matter, like glass. We’re going to investigate the wild world of the photon that has baffled scientists for over a century. [jwplayer config=UnitPlayer file=http://escience.s3.amazonaws.com/unit9/unit9-intro.flv image=http://www.sciencelearningspace.com/wp-content/themes/chrome_20/images/solarflare1.jpg] Low electromagnetic radiation (called radio waves) can have wavelengths longer than a ...
Unit 3: Matter
Atoms are the building blocks of all matter. These odd little fellows make up tables, buildings, chihuahuas and even you. They are impossibly small and yet absolutely vital for all matter and all interaction between matter. They are extremely mysterious and constantly offer new puzzles for science to tackle. And that's exactly what we're going to do. [jwplayer config=UnitPlayer file=http://escience.s3.amazonaws.com/unit3/Unit3-Lesson2-A-Intro.flv image=http://www.sciencelearningspace.com/wp-content/themes/chrome_20/images/sun-soho1.jpg] If you’ve been following the energy curriculum up to this point ...
Unit 4: Energy Part 1
Energy is the mover and shaker of the universe. Heat from the Sun, sounds from your radio, riding a bike and watching a movie are all expressions of different forms of energy. As you sit there reading this, there is energy flowing all around you in the form of light waves, sound waves, radio waves, heat and more. You are constantly being bombarded by energy. Energy is everywhere, all the ...
Unit 15 Lesson 2: Advanced Chemistry
Learn first-hand the fundamental principles of this essential science as you perform real chemistry experiments. For example, you will experiment with fuels and combustion, make your own hydrochloric acid, separate mixtures, produce oxygen gas, and more. In doing these experiments, you will build a strong foundation in chemistry as you are exposed to a broad range of chemical phenomena and hands-on lab experience. As you gain experience with the tools and chemicals ...
Unit 16: Life Science 1
In this unit, you will learn about cells, which are the tiny things that everything is made of. We'll start off by talking about the scientists who first observed and described cells. Then we'll talk about cells themselves. We'll learn about things even smaller than cells that are inside of them, and what they do to help cells survive and do their jobs. We'll also talk ...
Unit 10 Lesson 2: Robotics
If you've ever wondered how to build a real robot from junk, then you're in the right place. Let's start by taking a look at the highlights for understanding electricity, circuits, and components and how they all work together to form a working robot. You can get started by watching this video, and afterward either read more about it or start your experiments! Here are the highlights for this lesson: Robots ...
Unit 14 Lesson 4: Digital Electronics
This lesson is for grades 9-12, and advanced 5-8th graders as well. For this lesson, you’ll need the Electronic Learning Lab by Radio Shack This is the best learning lab we’ve found – it comes with tons of experiments that cover both basic and digital electronics projects! It includes everything you need for all the projects in these two lessons. Since the mid 1980's, digital electronics have slowly become an ever ...
Unit 2 Lesson 1: Velocity
Velocity is how fast something is going and in what direction it is going. Direction is what separates the term velocity from speed. If we were talking about a car, we could say that car is traveling with a velocity of 30 miles per hour due East. We will basically just be using the speed aspect of velocity, since for our purposes, the directional aspect confuses things more then necessary. There ...
Unit 16 Lesson 4: Microscope Lab
This is an introduction to the microscope, and we're going to not only how to use a microscope but also cover the basics of optics, slide preparation, and why we can see things that are invisible to the naked eye. Microscopes are basically two lenses put together to make things appear larger. The first thing you need to do is select a compound microscope. (While you can do this lesson ...
Unit 14 Lesson 3: Basic Electronics
This lesson is for grades 9-12, and advanced 5-8th graders as well. For this lesson, you’ll need the Electronic Learning Lab by Radio Shack This is the best learning lab we’ve found – it comes with tons of experiments that cover both basic and digital electronics projects! It includes everything you need for all the projects in these two lessons. Exploring electronics can be a fun and rewarding experience. In workbook ...
Unit 7 Lesson 2: Astronomy
Whew! After doing particle physics, this stuff is going to be easy... (well, at least until you get to the special relativity section for your high school student.) Astronomers study celestial objects (stars, planets, moon, asteroids, comets, galaxies, etc) that exist outside our planet's atmosphere. Its the one field that combines most science, engineering and technology areas in one fell swoop. Astronomy is also one of the oldest sciences on ...
Unit Zero: Overview
There are 18 key scientific principles, many of which kids need to know before they hit college. These key concepts are what the e-Science program is built around. We’re going to overview these top scientific principles and show you how to dive into each one on a deeper level. You might be surprised at the simple materials we use, or even how basic the experiment setups are. Real science doesn’t ...
Unit 1 Lesson 2: Gravity
Whenever I teach a class about gravity, I'll drop something (usually something large). After the heads whip around, I ask the hard question: "Why did it fall?" You already know the answer - gravity. But why? Why does gravity pull things down, not up? And when did people first start noticing that we stick to the surface of the planet and not float up into the sky? No one ...
Unit 17 Lesson 2: Protists & Fungi
In this section, you will learn about two kingdoms of living things, fungi and protists. We will start with fungi, discussing things such as body structure, methods of eating, methods of reproduction, and impact on other living things. We will then move on to protists, talking about the major types of protists as well as the role they serve. All of this is important because fungi and protists are absolutely critical ...
Unit 4 Lesson 1: Levers
We’re beginning a block on energy. I’m not going to lie to you... this stuff is tough. At least at first. Many of these concepts are quite abstract and it takes a while for them to sink in. The first bit will focus on some of the major definitions of energy so that you can get a feel for what energy is and what it does. Then we will begin to ...
Unit 16 Lesson 1: Living Organisms
This section will introduce you do the special way of thinking and asking questions known as science. You will see that science investigations are sometimes carried out in a special way, called the scientific method. You will also learn about how models can be helpful to scientists. Next, we will talk about life. We will explore what makes something alive, how living things can be organized, ...
Unit 13 Lesson 1: Temperature
Objects whose molecules are moving very quickly are said to have high thermal energy or high temperature. The higher the temperature, the faster the molecules are moving. You may remember that temperature is just a speedometer for molecules. You may have asked yourself the question, “So, if everything is made of molecules, and these molecules are often speeding up and slowing down...what happens to ...
Unit 16 Lesson 2: Cells
How do lipids, carbohydrates, proteins, and nucleic acids come together to form a living organism? By forming a cell. These organic compounds are the raw materials needed for life, and a cell is the smallest unit of an organism that is still considered living. Cells are the basic units that make up every type of organism. Some organisms, like bacteria, consist of only one cell. Other organisms, like humans, consist of trillions ...
Unit 12 Lesson 1: Basic Alternative Energy
Earth, our home in space, has supported life for a long time. But with a growing human population, people are having a greater effect on the environment than ever before. Together we must learn about the problems facing our environment and work to protect the earth. This lesson is designed to help you better understand our environment by doing experiments with air, water, land, energy, and life. It’s your guide to ...
Unit 5: Energy Part 2
In Unit 4, we began our journey to understanding energy. We discussed the fact that energy is the ability to do work. We defined work as moving an object over a distance against a force. We defined power as the amount of work done over time. We also defined a few of the common energy units: the Joule, calorie, horsepower and Watt. [jwplayer config=UnitPlayer file=http://escience.s3.amazonaws.com/unit5/Unit5-Intro.flv image=http://www.sciencelearningspace.com/wp-content/themes/chrome_20/images/energy-night1.jpg] We covered some confusing stuff, but ...
Unit 5 Lesson 1: Potential Energy
All the different forms of energy (heat, electrical, nuclear, sound etc.) can be broken down into two categories, potential and kinetic energy. Think of potential energy the “could” energy. The battery “could” power the flashlight. The light “could” turn on. I “could” make a sound. That ball “could” fall off the wall. That candy bar “could” give me energy. Potential energy is the energy that something has that can be released. ...
Unit 5 Lesson 2: Kinetic Energy
Kinetic energy is the energy of motion. Kinetic energy is an expression of the fact that a moving object can do work on anything it hits; it describes the amount of work the object could do as a result of its motion. Whether something is zooming, racing, spinning, rotating, speeding, flying, or diving... if it's moving, it has kinetic energy. How much energy it has depends on two important things: how ...
Unit 2 Lesson 2: Acceleration
Before we get into Newton’s Second Law, we need to get up to speed with acceleration. In physics acceleration is defined as a change in velocity. In other words, it is a change in speed or a change in direction. It is how much time it takes something to go from one velocity to another. Remember that velocity is speed and direction. If you go straight ahead on your bike ...
Unit 19 Lesson 1: Skin, Bones, & Muscles
In this lesson we will go over integumentary, skeletal, and muscular systems. We will begin with a general overview of the body and then spend a section on each system. Be sure to check your understanding with the review questions, and to check out the fun experiments and activities at the end of the unit! The first section describes how the organization of the body helps maintain the normal state—homeostasis. Here ...
Unit 2: Motion
We're going to study velocity, acceleration, and Newton's three laws of motion in this unit. You'll get to throw things, build g-force accelerometers, and much more as you uncover the basis of all physics in our crash-course in projectile motion. Here's what you need to do to so we get the most out of this unit together. [jwplayer config=UnitPlayer file=http://escience.s3.amazonaws.com/unit2/Unit2-Intro.flv image=http://www.sciencelearningspace.com/wp-content/themes/chrome_20/images/acceleration1.jpg] Newton has a famous quote that goes “If I ...
Unit 12: Alternative Energy
Solar cells, wind turbines, and hydroelectric power plants (like the Hoover dam) are all examples of alternative energy sources. Although lots of folks still argue about what's considered 'alternative' or not, the general idea is that the sources produce the same energy at less cost, both money-wise and environmentally. In this unit, we’re going to explore ways to get power from the sun, wind, magnetism, and molecules by studying solar ...
Unit 7: Astrophysics
Astrophysics combines our knowledge of light (radiation), chemical reactions, atoms, energy, and physical motion into one. The things we're going to study in this unit borders on sci-fi weird, but I assure you it's all the same stuff real scientists are studying. This unit is broken into two sections: easy-and-fun, and mind-bending-hard. If you feel like you're getting a little lost, simply jump over to the experiments and just have ...
Unit 7 Lesson 1: Particle Physics
Our study into particle physics is going to take us deep inside the structure of the atom. We're going to split it as far apart as it can go, so be prepared for complete weirdness that absolutely defies human intuition. Most of these particles don't exist outside of a laboratory, so it's not something you're going to run into very often. But it's still useful to know when trying ...
Unit 18 Lesson 2: Fishes, Amphibians & Reptiles
In this section, you will learn what a vertebrate is. You will then learn about three groups of animals that are vertebrates : fish, amphibians, and reptiles. You will learn basic information about many of these fascinating species, including their survival techniques, lifecycles, eating habits, and reproduction. This is important because these groups make up the majority of all vertebrate species. Moreover, we encounter these animals all the time, whether it’s a ...
Unit 6 Lesson 1: Vibrations
Sound is a fascinating form of energy. As you sit there reading this, there is energy flowing all around you in the form of light waves, sound waves, radio waves, heat and more. You are constantly being bombarded by energy. Energy is everywhere, all the time. Moving by waves at amazing speeds, sound energy brings you knowledge about the world around you. Does a tree make a sound if ...
Unit 10: Electricity
Electrons are strange and unusual little fellows. Strange things happen when too many or too few of the little fellows get together. Some things may be attracted to other things or some things may push other things away. Occasionally you may see a spark of light and sound. The light and sound may be quite small or may be as large as a bolt of lightning. When electrons ...
Unit 9 Lesson 1: Light Waves
We’re going to take a deep look at the nature of light and its behavior during different types of experiments to try to figure out its properties. Light can travel through the vacuum of space as well as solid substances like glass. Energy exists as either matter or electromagnetic radiation. Scientist are still trying to make heads or tails of this thing called light, and near as they can ...
Unit 16 Lesson 3: Genetics
Why do families share similar features like eye and hair color? Why aren’t they exact clones of each other? These questions and many more will be answered as well look into the fascinating world of genetics! Genetics is defined as “the science of heredity , dealing with resemblances and differences of related organisms resulting from the interactions of their genes and the environment”. That is to say, genetics asks which features ...
Unit 18 Lesson 3: Birds & Mammals
Birds and mammals are probably the animals you encounter the most every day. In this unit, you will have a chance to learn more about these incredible animals. We will look at what they eat, how they reproduce, the ways they care for their young, how they get around, and the role they play in the environment. This is important because, as we mentioned, these animals are a part of our lives ...
Unit 19 Lesson 6: Diseases and Defenses
Our body does a pretty remarkable job of keeping us healthy. Every day, we are bombarded by germs, yet we generally stay pretty healthy. In this section, you will learn about what the body does to prevent germs from making their way into the body, and what happens if the germs do somehow get in. This is important because knowing what makes us sick, and what the body does about it, ...
Unit 10 Lesson 1: Circuits & Components
What IS electricity, anyway? You can't see it, but you can certainly detect its effects. Blenders, washing machines, vacuum cleaners, airplanes - all of these use electricity. While you don't need to understand electricity to turn on a light, you do need to cover the basics in order to make the burglar alarms, remote controls, and robot projects in this unit! I'll show you how to convert your kitchen table ...
Unit 3 Lesson 1: Atoms & Density
If you’ve been following the energy curriculum up to this point and are looking forward to more great energy stuff, stay tuned. Electromagnetic energy is coming soon. However, before we get there, we need to take a bit of a side road. We need to wander into the world of quantum physics for a bit and take a look at the teeny and the mysterious world of atoms. We're going to ...
Unit 15: Chemistry Part 2
This second unit on Chemistry is chocked full of demonstrations and experiments for two big reasons. First, they're fun. But more importantly, the reason we do experiments in chemistry is to hone your observational skills. Chemistry experiments really speak for themselves, much better than I can ever put into words or show you on a video. And I'm ...
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Searching for something worthy of a science fair, scout badge, or other project? We've got all the details here for you on linear accelerators, underwater robots, fruit batteries, rocketry, and more.
Math
We’re going to break down the steps to really getting to know numbers and put it into a form that both you and your kids can use everyday, including shopping at grocery stores, baking in the kitchen, working on the car, and figuring out your taxes. It’s a useful tool for flexing your mind as well as appreciating the simplicity of the numerical world.
Unit 13: Thermodynamics
If you put an ice cube in a glass of lemonade, the ice cube melts. The thermal energy from your lemonade moves to the ice cube. Increasing the temperature of the ice cube and decreasing the temperature of your lemonade. The movement of thermal energy is called heat. The ice cube receives heat from your lemonade. Your lemonade gives heat to the ice cube. Heat can only move from an ...
Unit 3 Lesson 2: Solids
We're going to study the five different states of matter: plasma, gas, liquid, solids, and BEC (Bose-Einstein Condensate). A gas becomes a plasma when it gets so hot that the collisions start to knock electrons out of atoms. The most energized state of matter is plasma, the least is BEC. We're going to focus on solids, crystal structure and how to build your own crystal matrix. Are ...
Unit 12 Lesson 2: Advanced Alternative Energy
Since 'true' alternative energy experiments in this area require power plants and machinery the size of a small town, we're going to focus on a very specialized form of alternative energy called Renewable Energy. Renewable energy is the energy created from natural sources, like sunlight, water, wind, and temperature differences (geothermal). We'll be making solar-powered robots, build solar batteries, light up bulbs using a blast from a hair dryer, and ...
Unit 1 Lesson 1: Force
In 1666 Newton did his early work on his Three Laws of Motion. To this day, those laws still hold true. There has been some allowances for really big things (like the cosmos) and for really small things (like the atom). Other than that, Newton’s Law’s are pretty much dead on. Newton’s Laws are all they used to get the first man to the moon. They are an amazingly powerful and ...
Unit 8: Chemistry Part 1
This unit on Chemistry is chocked full of demonstrations and experiments for two big reasons. First, they're fun. But more importantly, the reason we do experiments in chemistry is to hone your observational skills. Chemistry experiments really speak for themselves, much better than I can ever put into words or show you on a video. And I'm going to hit you with a lot of these chemistry demonstrations ...
Unit 1: Mechanics
In 1666 Newton did his early work on his Three Laws of Motion. To this day, those laws still hold true. There has been some allowances for really big things (like the cosmos) and for really small things (like the atom). Other than that, Newton’s Law’s are pretty much dead on. [jwplayer config=UnitPlayer file=http://escience.s3.amazonaws.com/unit1/Unit1-Intro.flv image=http://www.sciencelearningspace.com/wp-content/themes/chrome_20/images/force4.jpg] Newton’s Laws are all they used to get the first ...
Unit 14 Lesson 2: Circuit Boards
This Lesson is for grades 9-12. In this lesson, you’re going to start building some more complicated circuits. Also, you’ll do it by soldering components to a printed circuit board (PCB). A PCB is basically a pieced of fiberglass with the “wires” stuck to the surface as flat pieces of copper. It makes it way easier to build a circuit that even using breadboards… As long as you have the ...
Unit 17: Life Science 2
Living things are all around us. Sometimes the living things we notice the most are animals, whether its birds chirping in the trees, our pet dogs, or even our fellow human beings. However, most living things are not animals. In these sections, we will learn about bacteria, archae, fungi, protists, and plants. These organisms are extremely important to learn about. They make life possible for animals, including human beings, by ...
Unit 19 Lesson 2: Digestive System
What should we eat? What happens to food once we swallow it? How long is our digestive system? You’ll learn all about food, nutrients, how your digestive system works, and why the standard American diet of fries, shakes, and sodas wreaks havoc on our digestive system. Food and Nutrients We need to eat and drink to have energy, build and repair our bodies, and maintain homeostasis. The six things we need to consume ...
Unit 19 Lesson 3: Cardiovascular System
Every living thing, from tiny bacteria, to giant oak trees, to you and me, is made of tiny things called cells. When groups of cells work together, they form structures called tissues. When groups of tissues work together, they form structures called organs. Your brain, lungs, and heart, are all examples of organs. When groups of organs work together, they make organ systems, which are sometimes just called systems. Your body has ...
Unit 4 Lesson 2: Pulleys
When we played with levers we could see that, by using a simple machine, we were able to use less force to move a heavy object than we would have had to use if we didn’t use a simple machine. We also saw that with that lessening of force came an increase in distance. Obviously, you can only make a lever so long. After a while it gets kind of ...
Unit 8 Lesson 2: Chemical Kinetics
By figuring out how to change the speed a reaction takes place as well as what gets created in the process, you can get a better handle at creating the things you want. We're going to learn why fish don't drown, create glowing slime, turn water into ink you can really write with, make a solution that appears by breathing on it, how to create rubber-like bouncy balls out ...
Unit 6 Lesson 2: Resonance
We've been talking about the fact that sound is caused by something vibrating. If you can hear it, you can bet that somewhere, something is vibrating molecules and those molecules are vibrating your ear drums. The sound may be coming from a car, thunder, a balloon popping, clapping hands, or your gold fish blowing bubbles in her tank. However, no matter where it’s coming from, what you are hearing is ...
Unit 8 Lesson 1: Molecules
By studying tiny bits of matter called atoms, you can figure out why chemicals do what they do - some explode when they touch water (like cesium), while other just sit there for years (like a twinkie). Some chemicals are particularly nasty, like sodium (which explodes on contact with water) and chlorine (which is lethal). but when you combine these two together, you get table salt. ...
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