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In this life science activity (page 8 of the PDF), learners explore the carbon cycle by mixing yeast, sugar and water.

In this activity, learners conduct a controlled experiment to examine which brand of soda makes the best (highest) soda geyser.

In this activity, learners investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy.

In this environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants.

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.