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Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

Learners explore the relationship between energy consumption, population, and carbon emissions in the countries of the Americas.

This is an activity (located on page 3 of PDF under Hockey Sticks Activity) about composites, materials made of 2 or more different components.

Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles.

In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.