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Educational Resources: Search the CLEAN Collection

Scientifically and pedagogically reviewed digital resources for teaching about climate science, climate change, and energy awareness


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How does Temperature Affect the Solubility of CO2 in Water?

This short investigation from Carbo Europe explores how temperature relates to the solubility of carbon dioxide in water.

Uptake of Carbon Dioxide from Water by Plants

Two simple experiments/demonstrations show the role of plants in mitigating the acidification caused when CO2 is dissolved in water.

Cooking with Sol

This activity from the Department of Energy provides background information about solar ovens and instructions on building a simple model solar cooker.

Comparison of the Effects of Increased CO2 in the Air to Seawater and Distilled Water

This well-designed experiment compares CO2 impacts on salt water and fresh water. In a short demonstration, students examine how distilled water (i.e., pure water without any dissolved ions or ...

Thermal Expansion of Water

This is a short experiment to demonstrate the concept of thermal expansion of water when heated, as an analogy to thermal expansion of oceans due to global warming.

Life Cycle Assessment of Biofuels 101

In this activity, students conduct a life cycle assessment of energy used and produced in ethanol production, and a life cycle assessment of carbon dioxide used and produced in ethanol production.

Fermentation Challenge: Making Ethanol from Cellulose

This hands-on activity introduces students to the process of fermenting different carbohydrate sources into ethanol. Teachers demonstrate yeasts' inability to metabolize certain food sources.

Fermentation in a Bag

This is a hands-on inquiry activity using zip-lock plastic bags that allows students to observe the process of fermentation and the challenge of producing ethanol from cellulosic sources. Students ...

Bioprospecting for cellulose-degrading microbes

This is a long-term inquiry activity in which students investigate locations they believe harbor cellulose-digesting microbes, collect samples, isolate them on selective media, and screen them for ...

Thermal Expansion and Sea Level Rise

In this short but effective demonstration/experiment, students investigate how thermal expansion of water might affect sea level.