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Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

Photosynthesis and Transpiration
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In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

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.

TerrAqua Investigation Column: What is the Land-Water Connection?
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In this investigation, learners plant seeds in a 2-liter bottle filled with soil that is connected to a water source below. Over the next few weeks, learners observe how the plants grow.

Wintergreen
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In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.

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.

Power Up!
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In this online game, learners must purchase power plants for their city.

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.

Sand Dunes
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This outdoor activity (on page 2 of the PDF under SciGirls Activity: Sand Dunes) is a full inquiry investigation into how the amount of moisture in a sand dune relates to the number of plants growing

Sand, Plants and Pants
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In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.

Colors in Nature
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In this activity, learners create colorful bead bracelets to wear outside while searching for matching colors in plants. Learners will be surprised by the variety of colors in nature.

Super Soil
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In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.

Seeds: Roots and Shoots
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In this indepth hands-on activity, learners build a structure that allows them to observe the growth of roots and the correlation between root growth and stem extension.

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.

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

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.
Plants: Hanging Tough
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In this hands-on activity, learners will become familiar with the special adaptations of rainforest plants and discover the conditions needed for tropical trees to survive along with what can impinge

Estuaries
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An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.

Water Treatment
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Water treatment on a large scale enables the supply of clean drinking water to communities.