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Chapter 9 - Comparing Kinds of Matter

physical_science

 

 

Unit E - Matter

  • Chapter 9 - Comparing Kinds of Matter

How can you classify matter?

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Activity

Exploring Density

Why do some materials sink to the core of a planet while others float to the crust? This experiment uses marshmallow fluff and molasses to illustrate the concept of planet differentiation.

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Hands-on Activity

That's Heavy!

This "heavy" experiment allows students to discover that salt water sinks in fresh water.

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Article

All That Glitters (SuperScience)

Did you know miners must dig up and process as many as 30 tons of rock to make a single gold ring? Take a dazzling look at how gold is mined and transformed.

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Hands-on Activity, Classroom Activity

Cartesian Diver

In this hands-on experiment, students create a neutrally buoyant "diver" and then observe the effects of increased water pressure.

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Activity

Sinking Water

If you've spent even a few hours in a pool, you know that the deep end is colder than the shallow. But do you know why? Experiment with colored ice cubes for insight into water density.

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Einstein

Peer at the world through the eyes of Einstein—a scientist who saw a beam of light and imagined riding it, a self-proclaimed "citizen of the world" who spoke out on global issues from pacifism to racism.

November 15, 2002 - January 1, 2003

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