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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).