Grade 7 unit three "Materials"
| __ | 1. | cottons | | A. | comes from the silk worm | | __ | 2. | glass | | B. | comes from the cotton plant | | __ | 3. | leather | | C. | comes from trees | | __ | 4. | linen | | D. | comes from the skin of animals | | __ | 5. | metals | | E. | comes from oil | | __ | 6. | paper | | F. | comes from sheep and other animals | | __ | 7. | plastic | | G. | found in rocks underground | | __ | 8. | silk | | H. | comes from the bark of trees | | __ | 9. | wood | | I. | is made from specail kind of sand | | __ | 10. | wool | | J. | is made from a plant called flax |
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