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Learners investigate a pre-constructed mystery tube to determine its interior mechanism. Working in small groups, learners pose explanations (hypotheses) for what they are observing and test their...

In this activity, learners confront their perceptions of gravity in the solar system. Learners weigh themselves on scales modified to represent their weights on other worlds to explore the concept...

This game is like regular bingo, except the clues are sounds. Learners must recognize sounds being played (rattling keys, stapler, computer keyboard, etc) and then find and cover that sound on the...

In this challenge, learners figure out how to make a juice stain disappear. (Younger learners will definitely need assistance, and safety instructions are included in the PDF.) First they...

Learners mark their traits for tongue rolling, PTC tasting (a harmless, bitter chemical), and earlobe attachment on tree leaf cut-outs. They then place their leaves on a large tree with branches,...

Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it. Leaners discover earth materials such as sand and dirt can be used...

In this chemistry activity, learners explore whether matter is created or destroyed during a chemical reaction. They will compare the weight of various solutions before and after they are mixed....

This activity includes several games about animal sounds. Using their sense of hearing and communicating with various kinds of noisemakers, learners role-play predator and prey. They explore what...