Across
- 2. A subject where we learn about experiments and discoveries.
- 5. A liquid that helps kill germs when we cannot wash our hands.
- 7. We use this with water to wash our hands.
Down
- 1. We use these to touch things and must keep them clean.
- 3. The opposite of dirty.
- 4. Tiny living things that can make us sick.
- 6. A place where scientists do experiments.