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In this activity, learners build models of comets, using edible materials, to learn about comets' structure. Learners then use their senses to simulate a spectrometer to analyze "comets...

In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions. With this simple digest, they observe that many, but not all detergents contain an active...

In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock. This resource includes background information about electricity, electronics, and...

Learners discover the bubble power of living cells in this multi-hour experiment with baker's yeast. Learners make a living yeast/water solution in a bottle, and add table sugar to feed the...

In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity. Use this activity to explain how the nervous system sends messages as...

In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream. Testing various types of strawberry products, learners...

In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid....

In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar. The first part of the activity (candle burning) should be conducted...