Across
- 1. Sticky female part of a flower
- 3. Male part of the flower
- 7. A force that slows things in the air
- 8. A way to clean dirty water
- 9. How high or low a note is
- 12. Measurement to show how loud a sound is
Down
- 2. First stage of a plant's growth
- 4. Teenager
- 5. Force that pulls things to Earth
- 6. Boiling an egg is an example of this
- 10. To cover a sound source to make it less loud
- 11. Not solid or gas