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Heat and Density

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Explain in your own words how thermal energy transfers.

Teacher check- Thermal energy transfers between objects of different temperatures. Heat always moves from a warmer medium to a cooler medium.

What happens to the molecules in a substance when they are heated?

The molecules move faster and get further apart. The substance will expand.

What happens to the molecules in a substance when they are cooled?

The molecules move slower and come closer together. The substance will contract.

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