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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.

This activity/demo introduces learners to aerogel, a glass nanofoam. Learners discover how aerogel is made and how well it insulates as well as learn about aerogel's other unique properties.

In this two-part activity, learners work in pairs to examine the four basic stages of a turbine engine.

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

This interactive demonstration reintroduces learners to three states of matter (solid, liquid, gas), and introduces them to a fourth state of matter, plasma.

In this activity, learners work in teams to investigate the composition of unseen materials using a variety of tools.

This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space.

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

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.