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This is an activity about measuring angular size and understanding the solar and lunar proportions that result in solar eclipses. Learners will use triangles and proportions to create a shoebox eclipse simulator. They will then apply what they learn... (View More)

This interactive, online activity traces the history of the telescope from Galileo's first look at the stars to the work of modern observatories. Learners will read about the milestones in telescope development, witness the interplay between... (View More)

Keywords: History of science
Audience: Middle school, High school
Materials Cost: Free

Learners will work in groups to design a water rocket that will be tested. They will be able to test two preliminary designs before deciding on the final one for the contest. Prior to launch, the rockets are put through a series of design tests.... (View More)

This is a lesson where learners review the basic requirements for human survival. Learners will use an online, multimedia module, to which they make changes to Earth's layers and draw conclusions about the geologic conditions that are necessary for... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

This is a lesson about states of matter and their relationship to temperature. 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... (View More)

Audience: Middle school

This is a lesson about finding habitable planets. Learners will use an online, multimedia module to simulate the techniques that scientists might use to find a star system and planet that meet the astronomical conditions required for human... (View More)

Audience: Middle school

This is a lesson where learners review the basic requirements for human survival. Using an online, multimedia module, they change amounts of gases in our atmosphere and draw conclusions about the amount of each gas that is necessary for human... (View More)

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

This is a lesson about habitable planets. Learners will discuss what they know about the astronomical conditions of the planets they have found in earlier lessons and what they still need to know in order to determine if they are habitable to... (View More)

Audience: Middle school

This is a lesson about the basic requirements for human survival. Learners will use an online, multimedia module, in which they make changes to the ecosystem and draw conclusions about the biologic conditions that are necessary for human survival.... (View More)

This is a lesson about states of matter. 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... (View More)

Audience: Middle school