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This is a lesson about the science supporting the design and operation of an ion propulsion engine. Learners will study the concepts of formation and discharge of charged particles, attractive and repulsive forces between charged particles, and the... (View More)

Audience: High school
Materials Cost: Free

This is an activity about parallax. Learners will explore the concept of parallax and then simulate the discovery of Pluto with a Blink Comparator via an online interactive.

Audience: Elementary school, Middle school
Materials Cost: Free

This is an activity about light and shadow. Learners will make outdoor sundials. They will use the sundial and the length of the shadow that is cast to explore the relationship between the size and position of the shadows and the position of the Sun... (View More)

Audience: Informal education
Materials Cost: Free

This is an activity about comparing images of the Sun in different wavelengths of light. Learners will examine solar images taken by the SOHO spacecraft to look for differences in the features that are visible in the various wavelengths of light.... (View More)

Audience: Informal education
Materials Cost: Free

This is a lesson about the field of astrobiology, the study of life in the universe, and ice as a preservative for evidence of life. Learners will consider the relationship between ice and life as they investigate the conditions required for life to... (View More)

This is an activity about the Kp index, a quantification of fluctuations in the Earth's magnetic field due to the relative strength of a magnetic storm. Learners will take a reading from a magnetometer site and make a Kp index estimate to predict... (View More)

Audience: High school, Higher education
Materials Cost: Free

In this activity, students build a simple computer model to determine the black body surface temperature of planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. Experiments altering the luminosity and... (View More)

This is a lesson about displacement, buoyancy, and density. Learners will understand why ice floats. Includes background information, teacher notes, assessment criteria, and related resources; activities are differentiated for Pre-K-grade 2 and... (View More)

Students explore how mathematical descriptions of the physical environment can be fine-tuned through testing using data. In this activity, student teams obtain satellite data measuring the Earth's albedo, and then input this data into a... (View More)

This is an activity about auroras and the scientific terminology used to describe them. Learners will read an article that provides an introduction to specific terms and concepts related to auroras and auroral substorms and examine photographs of a... (View More)

Audience: High school, Higher education
Materials Cost: Free