Filters: Your search found 7 results.
Topics/Subjects:
Mathematics  
Instructional Strategies:
Generating and testing hypotheses  
Cues, questions, and advanced organizers  
Learning Time:
10 to 30 minutes  
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Now showing results 1-7 of 7

In this activity, learners draw a circle with a single focus, an ellipse with two foci close together, and an ellipse with two foci far apart, and compare the shapes. Learners then measure the Sun in four images each taken in a different season,... (View More)

In this activity, students learn about the changing configuration of the continents over geological time resulting from plate tectonics. Using a map pair, students measure the difference in distance between continents 94 million years ago and today,... (View More)

Audience: Middle school
Materials Cost: Free per student

Students examine graphical and tabular data to determine whether the evidence suggests that becomes CO² concentrations and temperature rise can be linked causally. The resource provides graphs and tabular data for student investigation and a... (View More)

This is an activity about the movement, or "wandering," of our Earth's magnetic poles. The learner will explore this concept by measuring and calculating the distance the Earth's north magnetic pole has moved over the past 400 years and calculating... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this activity, students learn about the motion of the Sun in relation to the Earth, and how geographic directions are defined. Students use a tetherball pole (or an alternative) as a gnomon and the shadow the Sun casts to determine the exact... (View More)

This is an activity about determining the distance of a solar flare from the center of the Sun's disk. Learners will use transparency grids overlaid on images of the Sun in order to calculate the distance of a solar flare, similar to a signal... (View More)

This is an activity about determining the size of a solar flare. Learners will measure the diameter of a solar flare by making calculations using transparency grids overlaid on images of the Sun. This is the third activity as part of the "How Does... (View More)

Audience: Middle school
Materials Cost: Free per group of students
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