Across
- 2. / A tool used every day to clean your teeth.
- 5. / A common writing tool made of wood and graphite.
- 7. / A bag worn on your back to carry books and supplies.
- 8. / A portable cover that protects you from rain.
- 9. / One of the earliest inventions that helps things roll and move.
Down
- 1. / A kitchen appliance that heats food quickly using radiation.
- 3. / An invention that produces light using electricity.
- 4. / A device that tells time.
- 6. / A device that lets people talk to each other from far away.
- 7. / A device that stores and provides power for electronics.
