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Grade 11  
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In this interactive, online activity, bias is explored when the students decide which of several sampling methods are biased. They see how bias affects the percentage of irregular galaxies determined to be in the sample from the Deep Field. After... (View More)

Audience: High school
Materials Cost: Free

This is an activity about photosynthesis. Learners will use the basic principle of photosynthesis and investigate how light intensity diminishes as a function of distance from the light source. Questions help them connect these two ideas to... (View More)

This is an activity about the Earth's revolution as it relates to the zodiac. Learners will role-play, acting as the revolving Earth and Sun, while others will hold signs of the 12 zodiac constellation names to form a circle around the Earth-Sun... (View More)

This is an activity about critical observation skills. Learners will receive an egg to record its features from various vantage points, illustrating their size, shape, and location. They will then try to identify and recognize the surface features... (View More)

This is an activity about digital imagery and technology. Learners will create a picture using graph paper containing ones and zeroes and instruct others to reproduce it without showing it to them, just like digital technology. After, in groups,... (View More)

This interactive, online module allows learners to study the history of the discovery of black holes. Learners may work independently or in small groups to complete the activity. By completing this activity students learn the history of the... (View More)

Gamma-ray bursts are distant explosions that briefly outshine the rest of the gamma-ray universe. In this lesson, students will follow the same procedures used by today's astronomers to determine two basic facts about gamma-ray bursts: their... (View More)

This is a lithograph about Mars. It contains an image of mars on the front and informational text about the way the Hubble telescope is being used to study the weather on Marson the back.

This is an activity that uses numerical information to help dispel the prior conception that distance from the Sun causes the seasons on Earth. Learners will examine two images of the Sun, taken six months apart, measure the apparent diameter of the... (View More)

Audience: High school

This is an activity about assumptions and stereotypes. Learners will first sketch what they perceive an astronomer looks like. After, they will together discuss their images and research the preparation that is required to become an astronomer.... (View More)