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How Big, How Far, How Hot, How Old?

How Big, How Far, How Hot, How Old?

This is an activity about scale. Participants will arrange imagery of Earth and many other space objects in order of their size from smallest to largest, their distance from Earth's surface, their temperature from coolest to hottest, and/or their age from youngest to oldest. By manipulating these images and discussing their ideas, children and adults represent and confront their own mental models of space and time....

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