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In this activity, students will model the time after the Big Bang when the first nuclei of hydrogen and helium were created. The students will move and display cards that show the elements that are formed. This activity requires a large area - e.g.,... (View More)

Audience: High school
Materials Cost: Free

This activity is a kinesthetic exercise for students to experience rotation curves for themselves. The students are divided into two groups; one group will participate in the activity, while the other observes. The groups should switch for different... (View More)

Audience: High school
Materials Cost: Free

This is a lesson where learners trace the path that atoms take as they change form and move throughout the cycle of matter and compare this to the flow of energy. The lesson models scientific inquiry using the 5E instructional model and includes... (View More)

Keywords: Biology
Audience: Elementary school, Middle school
Materials Cost: Free

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