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In this activity, learners investigate carbon sequestration by creating a carbonated beverage out of apple juice and dry ice.

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

In this activity, learners investigate how increased carbon dioxide (CO2) emissions from the burning of fossil fuels is changing the acidity (pH) of the ocean and affecting coral reefs and other marin

In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.

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

In this activity (on page 146 of the PDF), learners will explore the effects of increased carbon dioxide in the bloodstream.

In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar.

Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.

In this activity (on page 142 of the PDF), learners will compare breathing rates before and after hyperventilation to explore how reduced carbon dioxide levels in the blood lower the need to breathe.

In this activity, learners conduct an experiment to find the volume of one mole of gas. Learners capture sublimated gas from dry ice in a ziploc bag and use water displacement to measure its volume.

In this activity, learners explore sublimation by conducting experiments with dry ice.

Learners take on the role of environmental engineers as they design water filters.

In this activity, learners separate the components of Gatorade using a home-made affinity column.

In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

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