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Learners will predict how human survival requirements are met by characteristics of our solar system and planet. They engage in an online Astronomy Training module in which they make changes to the astronomical conditions of our solar system and... (View More)

Audience: Middle school

Learners will explore the conditions required for water to be in a liquid state. They discover that temperature is the essential variable. They then explore how temperature affects the motion of molecules and molecular bonds. The lesson models... (View More)

Audience: Middle school

Learners will look for the relationship between atmospheric mass and other characteristics of a planet. When the results are not completely conclusive, the students explore possible causes of discrepancies in the data. They conclude that gravity,... (View More)

Keywords: habitable zone
Audience: Middle school

In this lesson learners explore the process of photosynthesis and draw conclusions about the important role producers play in the flow of energy. The lesson models scientific inquiry using the 5E instructional model and includes teacher notes,... (View More)

This picture book is designed to introduce children to the Earth's atmosphere and its importance to life on Earth. It also introduces how the addition of new gases (e.g., ozone) contributes to changing the quality of air we breathe. With an... (View More)

Audience: Elementary school, Informal education
Materials Cost: Free

In this activity, students experiment to test the hypothesis that Mars was once hotter. The activity requires some advance preparation by the teacher: the day before the activity, need to place a plastic bottle filled with water in the freezer.... (View More)

This is a booklet containing 20 problem sets that involve a variety of math skills, including equations and substitution, time calculations, reading, algebra, and more. Each set of problems is contained on one page. Learners will use mathematics to... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, online activity asks learners to read information and tables to determine the correct sequence of events associated with servicing the Hubble Space Telescope. Students use the clues provided in the text and graphics to organize the... (View More)

In this short demo/activity, a balloon with baking soda in it is stretched over the mouth of a flask or bottle containing vinegar. The balloon is tipped so that the baking soda falls into the vinegar, and the reaction creates carbon dioxide, which... (View More)

This is an activity about the periodicity of the solar cycle. Learners will calculate the number of M-class solar flares as a percentage of the total number of X-ray solar flares and graph these results as a function of time. When compared to a... (View More)

Audience: Middle school, High school
Materials Cost: Free