Inside the Earth

Edit Answers
12345678
Across
  1. 2. Rocks that were changed are called _____ rocks.
  2. 4. The outside of the earth is a shell of hard rock and soil called the earth's _____.
  3. 6. Shapes that look like cones and icicles are formed in caves by dripping _____ that contains tiny invisible bits of limestone.
  4. 7. _____ is made of ground-up rock, mixed with clay, bits of dead leaves, sticks, and small pebbles.
Down
  1. 1. The different color specks in rocks are the different _____ that make up the rock.
  2. 3. When the melted rock pushes up through the cracks in the earth's crust, cools, and hardens, that rock that is formed is called _____ rock.
  3. 5. Most of the solid part of the earth is made of great masses of _____.
  4. 8. The material that comes out of a volcano is melted rock called _____.