When something feels hot to you, the molecules in that something are moving very fast. When something feels cool to you, the molecules in that object aren’t moving quite so fast. Believe it or not, your body perceives how fast molecules are moving by how hot or cold something feels. Your body has a variety of antennae to detect energy. Your eyes perceive certain frequencies of electromagnetic waves as light. Your ears perceive certain frequencies of longitudinal waves as sound. Your skin, mouth and tongue can perceive thermal energy as hot or cold. What a magnificent energy sensing instrument you are!


Let’s find out how to watch the hot and cold currents in water. Here’s what you need to do:


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Comments

4 Responses to “Food Dye Currents”

  1. This particular experiment doesn’t have a worksheet, however you can create one of your own using the guidelines under the Science Journal. You could try different kinds of dye, different temperatures, etc. Have fun!

  2. Philippa Song says:

    Can you please set me the work sheet please?

  3. Sorry for the videos being not accessible. We upgraded our sever yesterday and were working out the kinks… everything should be working fine, now. 🙂