This lesson helps students learn about the biosphere by making observations and using a dichotomous key.

This lesson helps students learn about the hydrosphere by making observations and collecting data.

In this lesson, students will learn about the water cycle. The lesson is intended to be use by teachers before they take their students to view the Science On a Sphere movie, “Water Falls.”

This activity was developed to give participants an understanding of Earth’s water cycle by completing a webquest and building a model of the water cycle.

This activity was developed to give participants an understanding of how much and where water is on Earth by participating in a demonstration and using maps.

This activity was developed to give participants an understanding of Earth’s four spheres and how they are connected.

This inquiry-based lesson engages students in designing and testing a device to measure rain.

In this lesson, students will explore (through labs, videos, and a simulation) how energy from the sun is absorbed, reflected and radiated back out into space as part of the Earth’s energy budget.

This lesson helps students learn about the atmosphere by making observations and taking measurements.