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Filters: Your search found 6 results.
Topics/Subjects:
Number and operations
Learning Time:
45 to 60 minutes
SMD Forum - Primary:
Astrophysics
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# Proportional Relationships

Students use simple proportions and fractions to explore the number of stars in the Milky Way, and the relative sizes of some famous stars compared to our own Sun. By reading a NASA press release and viewing a NASA eClips™ video segment, students... (View More)

Keywords: Estimating; Ratios
Audience: Middle school
Materials Cost: Free

# Probability and Predictions

Students will learn about the NASA Kepler mission and Earth-like planet discoveries through reading a NASA press release. They will also view a NASA eClips™ video describing the search for planets beyond our solar system. Then, students will study... (View More)

Audience: Middle school
Materials Cost: Free

# Applications of Percents

Students will learn about NASA's Fermi satellite and gamma ray sources through reading a NASA press release. They will also learn about gamma rays and the electromagnetic spectrum by viewing a NASA eClips™ video segment. Then, students will use... (View More)

Audience: Middle school
Materials Cost: Free

# Base-Two Slide Rule

In this activity, students construct base-two slide rules that add and subtract base-2 exponents (log distances), in order to multiply and divide corresponding powers of two. Students use these slide rules to generate both log and antilog equations,... (View More)

# Inverse Functions

In this activity students use log tapes and base-two slide rules as references to graph exponential functions and log functions in base-10 and base-2. Students discover that exponential and log functions are inverse, reflecting across the y = x axis... (View More)

# Log Ruler

In this activity students construct Log Rulers, finely calibrated in base-10 exponents and numbers (logs and antilogs). They practice reading these scales as accurately as possible, listing all certain figures plus one uncertain figure.  This is... (View More)

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