Across
- 2. Machine that we use to clean clothes.
- 6. An invention created by engineer Percy Spencer.
- 7. Made from plants and whose inventor is George de Mestral.
Down
- 1. It is an injectable medicine that can help prevent disease.
- 3. It is a type of boat that can go underwater.
- 4. Used to move around quickly using fuel.
- 5. You can see the stars with it.