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It's a Gas!
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In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.
Odors Aloft
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Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.
Kool Colors
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Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures.
Rocket Reactions
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The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.
Toy Chemistry
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In this playful, goopy activity, learners mix two liquids to create a solid (that sometimes acts like a liquid ), using basic household materials such as borax and glue.
Disappearing Statues
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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.
Inner Space
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In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the marbles.
Polishing Pennies
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In this experiment, learners try different liquids to see which ones clean pennies best. Liquids to try include water, lemon juice, cola, vinegar, and dishwashing detergent.
Chemistry is Colorful
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In this activity, learners explore materials through paper chromatography.
Of Cabbages and Kings
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This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d
Matter of Degree
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In two separate bags, learners mix water with Epsom salts and detergent.
Pop Rockets
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In this activity, learners make film canister rocket ships. A fin pattern is glued onto the outside of the canister, and fuel (water and half an antacid tablet) is mixed inside the canister.
Glitter Slime
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Our bodies defend themselves in many different ways to prevent us from getting sick.