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Filters: Your search found 18 results.
National Science Education Standards:
Yes
Resource Type:
Demonstration
Learning Time:
30 to 45 minutes
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# Sounds of the Sun

This is an activity about the Doppler effect. Learners begin by simulating the noise made by a passing siren. After learning that the change in pitch results from movement, they investigate the definition of frequency, calculate change in frequency,... (View More)

# Stellar Illumination

This is a lesson about discovering distant planets using an Earth-based observing technique called stellar occultation. Learners will explore how a stellar occultation occurs, how planetary atmospheres can be discovered, and how planetary diameters... (View More)

# Induction in an Aluminum Can

This activity demonstrates Lenz's Law, which states that an induced electromotive force generates a current that induces a counter magnetic field that opposes the magnetic field generating the current. In the demonstration, an empty aluminum can... (View More)

Keywords: Magnetism; Lenz's Law
Audience: High school
Materials Cost: \$1 - \$5 per group of students

# Iron Filings and (2-3D) Magnetic Field Lines

This is a lesson to demonstrate magnetic field lines in 2- and 3-dimensions. In the first activity, learners sprinkle iron filings over a magnet underneath a paper and record their observations. The second activity involves building a 3-D magnetic... (View More)

Audience: Middle school
Materials Cost: \$1 - \$5 per group of students

# Primary Colors of Light

Using three flashlights and sheets of red, blue and green cellophane, students demonstrate that white light is composed of colored light of different wavelengths. The resource is part of the teacher's guide accompanying the video, NASA Why Files:... (View More)

# Shaky Quake Cake

In this demonstration, sheet cakes are used to show how tectonic forces create convergent, divergent and transform plate boundaries. The resource is part of the teacher's guide accompanying the video, NASA SCI Files: The Case of the Shaky Quake.... (View More)

# Sweet Waves

Wave movement is explored using a metal tray of prepared gelatin, dominoes, sugar cubes, plastic wrap and a rubber mallet, in a demonstration of physical principles supporting the study of earthquakes. The resource is part of the teacher's guide... (View More)

# The Bendable Light

In this demonstration, students learn how fiber optics work by observing a model using gelatin and observing how the internal reflection of light allows light to bend within the system. The resource is part of the teacher's guide accompanying the... (View More)

# The Foolish Man Built His House Upon the Sand

In this demonstration, students learn about the physical process of liquification and how it causes the ground to become unstable during an earthquake. Required materials include a plastic tub, sand, water, a brick and a rubber mallet. The resource... (View More)

# Over the Rainbow

In this demonstration, a flashlight, mirror, water and a plastic shoebox are used to refract light into its component wavelengths, seen as colors of the visible spectrum. Students create a drawing of the sequence of colors in the rainbow. The... (View More)

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