Across
- 3. tall round building that store animal feed
- 6. energy energy that comes from a natural resource that does not run out.
- 7. raised flat areas next to a building
- 8. throw away
- 10. a meeting where people share ideas.
Down
- 1. a shape or design standing for an idea.
- 2. a person who uses science and math to design and build things
- 4. a legal document that gives inventors the right to make, use, or sell their inventions.
- 5. to come up with ideas or ways of solving problems
- 9. to add electricity to or to power something