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In this activity, learners use models of fossilized dinosaur teeth to understand how dinosaur teeth were used.

In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.

In this environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion.

In this cooperative game, learners devise strategies about sharing a small space with each other.

In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity.

In this outdoor beach activity, learners use a variety of "beaks" (such as trowels, spoons or sticks) to hunt for organisms that shore birds might eat.

In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.

This warm weather activity introduces learners to the impact trees have on blocking the sun's heat and reducing temperature on the Earth's surface.

Through doing these hands-on activities, learners explore the environmental consequences associated with fossil fuel usage.

This activity (page 3 of the PDF under SciGirls Activity: Dinosaurs) is a full inquiry investigation into fossil hunting and identification.

This activity encourages learners to focus on the natural environment of the Eastern Woodlands before the arrival of European settlers.

Discover how the salt in soil affects plant growth with a few seeds, some cotton, and salt. In this hands-on activity, you will plant seeds in 2 different kinds of soil, containing more or less salt.

This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resour

In this activity, learners will examine various world data maps to combine the information and predict which areas could be tropical rainforests.

Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.

Many people get water from a source deep underground, called groundwater.

In this activity, learners compare and contrast their own skin (including the area covered) with that of an orange.