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In this activity, learners make a flip book that shows the progression of two solar events on reversible sides of the flip book.

In this activity, learners make their own flip book that shows real solar flares erupting from the Sun in November 2000. Step-by-step instructions are included with photos.

In this activity, learners observe the moon each night for a month and draw their observations in a Moon Watch Log.

Learners complete a series of hands-on and investigative activities to explore cumulus clouds.

In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007.

Learners follow a three-step process to start their own rock collection.

In this activity, learners turn empty 2-liter bottles into a see-through compost container.

This activity attempts to clear up the common misconception that deserts are always hot, totally dry, and uninhabitable.

In this activity (on pages 16-21), learners get a sense of geological time by understanding how big a million is.

In this activity, learners rotate through several learning and play stations to explore dinosaurs and paleontologists.

In this activity about dinosaurs, learners explore how and why fossils form. First, learners are introduced to dinosaur fossils by reading the book "Bones, Bones, Dinosaur Bones" by Byron Barton.

In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story.

In this activity, learners explore dinosaurs and fossils by creating a diorama.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

In this activity, learners drop impactors onto layers of graham crackers!

In this activity, learners investigate the Moon's infancy and model how an ocean of molten rock (magma) helped shape the Moon that we see today.

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

In this activity, pairs of learners model how scientists use craters to determine the ages of lunar surfaces. One partner keeps time while the other creates a painting for the other to interpret.

In this activity, learners model how the Moon's volcanic period reshaped its earlier features.