Filters: Your search found 28 results.
Topics/Subjects:
Earth history  
Stars, nebulae and galaxies  
Learning Time:
30 to 45 minutes  
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Now showing results 1-10 of 28

In this activity, students use Newton's Laws of Motion, and the motions of the planets, to determine the mass of the sun. They then use the same techniques to determine the mass of a galaxy. In doing so, students convert among different units of... (View More)

In this activity, students match unusual galaxies with their distinctive names and justify their reasoning. Students discover that often, galaxies acquire their names based upon how they appear to observers. This activity includes a student... (View More)

In this activity, students describe the characteristics of different types of galaxies (spiral, elliptical, barred spiral, peculiar, or irregular) in their own words. They also classify galaxies seen in the Hubble Deep Field. This activity includes... (View More)

In this activity, students will describe similarities and differences between galactic star clusters and globular clusters. This is activity five in "The Hidden Lives of Galaxies" information and activity booklet. The booklet includes student... (View More)

In this activity, students explore the idea of classifying objects. They start by giving examples of objects that can be classified in everyday life and in science. They then characterize and classify a set of galaxies using their own scheme, and... (View More)

This activity is a kinesthetic exercise for students to experience rotation curves for themselves. The students are divided into two groups; one group will participate in the activity, while the other observes. The groups should switch for different... (View More)

Audience: High school
Materials Cost: Free

In this activity, students will interpret and analyze the information presented on the Evidence for Hidden Mass graph. They will observe trends in the graphs, and use it to determine if there is evidence for hidden mass. This is Activity 6b in the... (View More)

This is an activity about the Hubble Deep Field image, an observation of one small area of sky that contained no previously-detected objects. The long time exposure of this image allows us to detect some of the most distant objects seen in our... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

This is an activity about star movement due to the Earth's rotation. Learners will utilize the Sky Tonight online program to find the star that appears stationary in our night sky. They will then draw conclusions about the Earth’s rotation based... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

This is an activity about the orbits of the planets in our Solar System. Learners will utilize the Sky Tonight online program to track the movement and visibility of the planets in our night sky. They will then attempt to locate these planets... (View More)

Keywords: Ecliptic; Zodiac band
Audience: Elementary school, Middle school
Materials Cost: Free
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