First facts. Our physical world

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firstfactsourphysicalworld

Motion

Introduces motion and provides instructions for an activity to demonstrate some of its characteristics.
Cover image of Motion

Matter

2005
Presents a discussion of matter, describing its three forms, including solid, liquid, and gas, and looking at how it changes from one form to another.

Temperature

2005
Introduces temperature and provides instructions for an activity to demonstrate some of its characteristics.

Energy

2005
Introduces energy and provides instructions for an activity to demonstrate some of its characters.
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