Mountains and Rocks

1234567
Across
  1. 2. A rock that is made of sediments that have been naturally compacted and cemented together.
  2. 3. A rock that forms when minerals in igneous, sedimentary, or older metamorphic rocks are changed due to extreme heat and pressure.
  3. 5. Mountains generally formed when magma pushes upward into Earth's crust from the mantle and cools into igneous rock underground, causing the crust above it to bulge; usually occur as isolated mountains on otherwise flat plains.
  4. 7. Mountains formed when gigantic blocks of rock move up and down along faults.
Down
  1. 1. Mountains formed when rocks are pushed up into huge folds by moving tectonic plates.
  2. 4. A rock that forms when magma cools and solidifies.
  3. 6. A crack in the Earth's crust.