Across
- 3. grey-black coloured non-magnetic material
- 7. Mixture with evenly distributed particles
- 9. substance with same type of atoms
- 10. mixture of liquid and gas
Down
- 1. alloy of iron and carbon
- 2. A back and forth movement of particle
- 4. Height of sound wave
- 5. Dolphin use high-frequency sound to find prey
- 6. Atomic number 3
- 8. animals get energy by eating
