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The nature of science  
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These short leader guides are designed for a novice user to pick up and implement the activities with ease. They address a range of topics all related to asteroids - most especially Asteroid Vesta. Activities are tagged to quickly find ones that are... (View More)

This is an online sorting game that compares the lifetime risk of death from an asteroid impact to other threats. For example, are you more likely to be killed by an amusement park ride or an asteroid impact? It is part of the Killer Asteroids Web... (View More)

Audience: Informal education
Materials Cost: Free

Students examine CERES radiation data to understand how the Earth's tilt causes seasonal differences in incoming solar energy, and to explore how clouds, deserts and ice modulate the reflection of energy from the Sun. The investigation is conducted... (View More)

Learners will use data from the Student Dust Counter (SDC) Data Viewer to establish any trends in the distribution of dust in the solar system. Students record the number of dust particles, or hits, recorded by the instrument and the average mass of... (View More)

Learners will investigate, compare, and describe patterns in Solar System data. They will then hypothesize about the formation of the Solar System based on data and explain how extrasolar planets can be discovered. In the first activity, the... (View More)

Audience: High school

This is a lesson about the Discovery Program's exploration of the solar system. Learners will identify and communicate to others the varied space science explorations carried out by the Discovery Program and dig into one mission in depth. They can... (View More)

In this lesson, students consider observations and inferences to determine the support for each of two theories on the origin of the universe: Steady State and Big Bang. Working with partners, students draw from a set of Evidence cards (master is... (View More)

In this lesson, students explore a discrepent event by designing experiments to test either what makes a "come-back can" return (a can that when you roll away from you, always returns) or UV beads change color. This activity should come either near... (View More)

Audience: High school
Materials Cost: $5 - $10 per group of students

In this activity, learners replicate the scientific processes of observing, forming an explanation, revising and communicating about a model of a comet. Learners construct a model of features of a comet using an assortment of common craft supplies.... (View More)

This is a unit in 6 sessions about the seasons on earth. Learners will investigate the reason for seasons on earth. They will look at the circular orbit of earth, year-long temperature and daylight hours across different latitudes, compare models of... (View More)

Audience: Middle school