Across
- 3. Biotic materials, produced by nature.
- 5. Windows are made of _________.
- 6. ______________ materials don't absorb water.
- 7. Midway __________ are taken from nature and then processed by humans.
- 8. Cars are made of ________.
- 9. Bottles we use everyday can be made of ________.
Down
- 1. When a material is ______________, you can see through it.
- 2. Abiotic materials, created by humans.
- 4. It is a property in which a material absorbs liquids.