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The Liquid Rainbow
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Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.

Eye Spy
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This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

Tissue Paper Spray Art
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In this activity, learners observe color mixing and absorbency using colored tissue paper and spray bottles.

Heat Speeds Up Reactions
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In this activity, learners investigate the effect of heat on a reaction.

Water Underground
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Many people get water from a source deep underground, called groundwater.

Turbidity
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This is an activity about turbidity, or the amount of sediment suspended in water.

Carrying Charges: Testing for Conductivity
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Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).