Science Rocks

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Across
  1. 3. - is extremely hot liquid and semi-liquid rock located under Earth's surface.
  2. 5. - The mantle is semi-liquid, sort of like a malleable plastic and makes up 84% of Earth's volume.
  3. 7. - rocks that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface
  4. 8. - This magnetic field helps to protect us from the Sun's solar radiation.
Down
  1. 1. - the deepest layer on Earth. It is made up of iron and nickel but the pressure is so high that it is no longer liquid.
  2. 2. - rock is composed of crystals or is glassy
  3. 4. - started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form.
  4. 6. - It is the thin outermost layer that wraps around the Earth and ranges in temperature from 500 to 1,000°C.