What is the only way to transfer thermal energy without matter?
- Correct Answer: radiation
- evaporation
- ultraviolet light
- osmosis
Explanation: Thermal radiation is one of three ways that thermal energy can be transferred. The other two ways are conduction and convection, both of which need matter to transfer energy. Radiation is the only way of transferring thermal energy that doesn’t require matter. To learn more about thermal radiation, watch “Radiation” at the URL below.
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