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This activity (on pages 23-27) lets learners simulate the work of scientists who take core samples of Earth's rocky layers to determine geological history.

This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

This activity encourages visitors to build an electroscope—a simplified version of one of the tools scientists use to study the invisible forces on Earth and in space.

In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.

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

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