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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.

In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.

In this activity (page 1 of the PDF under SciGirls Activity: Dinosaurs), learners will model how paleontologists estimate the age of fossil discoveries by extracting “fossil” playing cards from newspa

In this activity, learners make different shapes that hold exactly one mole of gas (air).

In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.

In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it.

In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.