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Physical sciences  
Instructional Strategies:
Generating and testing hypotheses  
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This is a game which focuses on the challenge of moving a "rubble pile" asteroid. Players have the option of using bombs, impactors, or "pusher" ships. It is a simpler version of Rubble! and part of the Killer Asteroids Web Site. The site also... (View More)

Audience: Informal education
Materials Cost: Free

In this lesson, students simulate an experiment in which the discovery of dark energy can be made by plotting modern supernova distances on a Hubble Diagram. Data is provided in an Excel spreadsheet (see related resources). In order to complete this... (View More)

Audience: High school
Materials Cost: Free

This is a website about asteroids and comets. Learners can play a physics-based asteroid game, learn about how backyard astronomers are contributing to asteroid research, or simulate an asteroid impact using a Google Earth Impact simulation.... (View More)

Audience: Informal education
Materials Cost: Free

In this inquiry exploration, student design an experiment to test the absorption of heat by different earth materials. Materials required include plastic water bottles, soil, sand, water, thermometers, lamp with 60 watt bulb, and stopwatch. This... (View More)

This online game allows players to choose any location on Earth and impact it with a variety of different sized asteroids and comets. They can see how big the blast radius will be, and determine what size object it would take to wipe out their town.... (View More)

Audience: Informal education
Materials Cost: Free

In this lesson, students measure the size of several galaxies to reproduce a plot of Hubble's Law. The goal of this lesson is to give students the chance to simulate the process that led to the notion that the universe is expanding, provide insight... (View More)

Keywords: Data graphing

This is an activity about depicting the relative strength of magnetic fields using field line density. Learners will use the magnetic field line drawing of six magnetic poles created in a previous activity and identify the areas of strong, weak, and... (View More)

Audience: High school

This is an activity about depicting magnetic fields. Learners will observe two provided drawings of magnetic field line patterns for bar magnets in simple orientations of like and unlike polarities and carefully draw the field lines for both... (View More)

Audience: High school

This is an activity about depicting magnetic polarity. Learners will observe several provided drawings of magnetic field line patterns for bar magnets in simple orientations of like and unlike polarities and carefully draw the field lines and depict... (View More)

Audience: High school

In this activity, students examine the first line of evidence, galactic motion, for the notion of an expanding universe. By examining the spectrum of light from a galaxy, students can determine whether a galaxy is moving toward or away from us, and... (View More)

Audience: Middle school, High school
Materials Cost: Free