- What is teaching? enter the world of science, technology, engineering and mathematics, all circles "stem.
- Make a Brew Changing Color Wizard - It's all about acids and bases. do a bubble tube test bubbles: the secret here is complete, oil and water Touch: do not mix.
- Create a magic wand - glowing Err - test tubes: using a substance that absorbs light energy.
- Write secret messages: Make your own invisible ink.
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