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How Might Elevated CO2 Affect Plants
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In this activity, learners conduct an experiment to investigate the effect of elevated levels on CO2 on plant growth.

What's Hiding in the Air?: Acid Rain Activity
As a model of acid rain, learners water plants with three different solutions: water only, vinegar only, vinegar-water mixture.

Terrestrial Hi-Lo Hunt
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

Fly a Leaf
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In this outdoor, windy day activity, learners "fly" and race leaves along a line to discover which types of leaves catch the most wind. Which leaves are the best fliers? Why?

Leaf it to Me
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In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

The Carbon Cycle and its Role in Climate Change: Activity 2
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In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

Make a Terrarium
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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.
Mercury in the Environment
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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.

The Carbon Cycle and its Role in Climate Change: Activity 3
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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

A Recipe for Air
Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.

What-a-cycle
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In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.

Mapping Greenhouse Gas Emissions Where You Live
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In this lesson plan, learners examine some of the of greenhouse gas emissions sources in their community.
Hazardous Chemicals in Your Neighborhood
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In this environmental science lesson, learners will examine hazardous chemicals and their effects on human health and the environment.

Sensory Hi-Lo Hunt
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In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture.

The Carbon Cycle: Carbon Tracker
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In this activity, learners play NOAA's Carbon Tracker game and discover ways to keep track of carbon dioxide and other greenhouse gases in the world.