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Physical Science - Unit F (Grade K)




Matter can be described by its observable physical properties, the materials it is made of, and its uses. There are three different states of matter: solid, liquid, and gas. Matter can be changed by folding, bending, tearing, or mixing it. Light can pass through some forms of matter, but not others.


Hands-on Activity

Create a Compass

From any place on Earth, a compass will always point north. But do you know why? Explore the inner workings of this tiny magnet by building one—and then testing it in your neighborhood.

American Museum of Natural History

Central Park West at 79th Street
New York, NY 10024-5192
Phone: 212-769-5100

Open daily from 10 am-5:45 pm
except on Thanksgiving and Christmas
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