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In this lesson, students are introduced to atoms, molecules, and elements. Learners will build constructions out of different types of building materials as a metaphor for atoms and molecules. They interpret different symbolic representations for... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

This is an article about the color of the sky. Learners will read about and discuss the colors of the day- and night-time skies. They may sing the Top-down Black and Blues, a song about the sky; or they may write a poem, essay, or song about the... (View More)

Audience: Middle school
Materials Cost: Free

This interactive, online activity introduces students to the electromagnetic spectrum. Students view the electromagnetic spectrum in its entirety and become familiar with the characteristics of waves. Images of the sun in different wavelengths of... (View More)

Keywords: Light and color
Audience: Middle school, High school
Materials Cost: Free

In this interactive module, students can vary the comet's angle of approach to see the effect of gravity on its trajectory towards Jupiter. The speed and masses of the two bodies are held constant. The goal is for the students to understand the... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

This interactive, online activity provides a method for generating waves using a computer. Students can select the energy they want the waves to have, observe how the waves appear on the screen, and then measure the frequency and wavelength of the... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, online activity introduces the idea that everything emits electromagnetic radiation, including students. Students discover how the light emitted from an object (a robot) changes as the object is heated. A graph shows the amount of... (View More)

Keywords: light and color
Audience: Middle school, High school
Materials Cost: Free

This interactive, online module provides an introduction to the concept of a black hole. Students explore the components of a black hole by using a diagram of an accretion disk, an event horizon, and jets of hot gas. Students may complete this... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, online module allows students to discover the velocity needed to escape the Earth's gravitational pull. By completing this activity, students discover how mathematics can be used to find escape velocity. Students may complete this... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, online module reviews the basics of the the electromagnetic spectrum and makes the connection between radiation theory and the images we get from weather satellites. Students will learn about: the electromagnetic spectrum;... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this interactive, online module, students learn about satellite orbits (geostationary and polar), remote-sensing satellite instruments (radiometers and sounders), satellite images, and the math and physics behind satellite technology. The module... (View More)

Audience: Middle school, High school
Materials Cost: Free