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quiz 9
More earth words
| Question | Answer |
|---|---|
| the transfer of energy through space. It's how we get heat from the sun. It's like the heat you feel on your face when you stand near a fire. | radiation |
| the tranfer of energy between two objects that are touching. This is why a spoon gets hot if it's in a bowl of hot soup. | conduction |
| the transfer of heat by moving currents in a liquid or gas. Heat causes liquids and gases to become less dense, so they rise. | convection |
| a hypothesis that says the continents are slowly moving around on the surface of the Earth, and that they were once all joined together. | continental drift |
| a name for the supercontinent that existed when all continents were joined 300 million years ago. The name means "all lands". | Pangaea |