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Chapter 10 - Chemistry

physical_science

 

 

Unit E - Matter

  • Chapter 10 - Chemistry

How are chemical reactions a part of your daily life?

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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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Young Naturalist Awards Essay

An Essential Mineral

At 1,292 feet (394 meters) below sea level, the Dead Sea is the lowest point on Earth. But it's not the depth but the sea's saltiness that buoyed the imagination of this seventh-grader from New York.

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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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Activity

How the Sun Works

Talk about a long-term power source. For billions and billions of years, the Sun has been giving off energy that equals 4 x 1026 watts. What keeps the Sun burning so bright?

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