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Temperature Affects the Solubility of Gases
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In this activity, learners heat and cool carbonated water to find out whether temperature has an effect on how fast the dissolved gas leaves carbonated water.
Swinging Yo-Yo
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Learners build a pendulum from a yo-yo, and then design their own experiment to determine what affects the pendulum's period of swing.
Wet Pennies
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Learners initially test to see how many drops of liquid (water, rubbing alcohol, and vegetable oil) can fit on a penny.
Does Your Chewing Gum Lose Its Flavor?
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Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.
Production of a Gas: Controlling a Chemical Reaction
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Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles.