Earth Science Lesson 4 Crossword

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  1. The cycling of hot and cold materialconvection
  2. Hot material rises because it is less _______dense
  3. This layer of the Earth is the hottestcore
  4. Convection occurs in this layer of the Earthmantle
  5. The plates and the _________ are the same thingcrust
  6. Silly putty can be a good model for this type of rockmetamorphic
  7. This is the current, widely accepted theory of how the Earth is changingplatetectonics
  8. This is the old theory of how the Earth changescontinentaldrift
  9. This person came up with the idea that continents drift across the ocean flooralfredwegener
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