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In this space science activity, learners explore transits and the conditions when a transit may be seen.

In this optics/mathematics activity, learners use two hinged mirrors to create a kaleidoscope that shows multiple images of an object.

In this activity, learners explore the different heating properties of soil and water.

This is an outdoor activity designed to demonstrate evolution of feeding behavior in flocking, schooling or herding animals that maximizes allocation of food resources and enhances survival.

Combine math and exercise with this activity. Learners count how many times in a row they can skip rope or throw and catch a ball.

In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water.

In this activity (page 1 of the PDF under SciGirls Activity: Double Dutch), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record

In this math activity, based on the research of famed astronomer Frank Drake, learners calculate the possibilities of finding intelligent life elsewhere in the universe besides Earth.

Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.

In this lab, learners grow broad bean (also called fava bean) plants in three EarthBoxes for a few weeks before exposing one to wind (using a fan), another to heat (using a lamp), and the third to not

In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

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.

In this activity, learners test how cornstarch and glitter in water move when disturbed. Learners compare their observations with videos of Jupiter's and Earth's storm movements.

In this activity, learners work in teams to investigate the relationship between mass, acceleration, and force as described in Newton's second law of motion.

This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

In this activity, learners model ancient lunar impacts using water balloons.

Learners construct and launch paper helicopters.

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

In this online interactive, learners use fossils to infer temperatures 55 million years ago, at the sites where the fossils were found.