Chapter 9 - Comparing Kinds of Matter

physical_science

 

 

Unit E - Matter

  • Chapter 9 - Comparing Kinds of Matter

How can you classify matter?

Exploring Density

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.

That's Heavy!

Hands-on Activity

That's Heavy!

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

All That Glitters (SuperScience)

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.

Cartesian Diver

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.

Sinking Water

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.

Einstein

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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