Rock - Crossword
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
Check
Across: 1. pieces of rock that settle down on a river bed or the floor of an ocean 3. soft, reddish brown metal that allows electricity to pass through 6. melted rock that is underneath the surface of the earth 8. process by which wind, water and ice breaks down rock into small pieces 9. top layer of earth on which plants can grow 10. rock or mountain that falls steeply down to the sea 11. dark coloured igneous rock 12. hard mineral substance used in making watches 13. beautiful stone that is very valuable
Down: 2. hardest rock on earth 4. made out of once living plants or animals 5. rock from which you can get metal 6. hard rock that becomes smooth when you polish it 7. animal or plant whose bones have been preserved in rock 11. ore which you can get aluminum out of