Across
- 2. Water disappearing into the air from heat.
- 7. Hard work done by people.
- 8. Pictures used to represent numbers.
- 10. A close guess, not exact.
- 11. A statue-like model of a person.
- 12. People who record and explain history.
- 15. The ‘feelers’ that help insects detect things.
- 17. When heat makes a solid become liquid.
- 18. The front part of a train that has power.
- 20. The text actors read on stage.
Down
- 1. Clean water and waste removal.
- 3. When forests become empty land.
- 4. A home for children without parents.
- 5. The change from liquid state to gas state.
- 6. Jumped high or far.
- 9. The number you take away in subtraction.
- 13. A huge amount of items.
- 14. A family member from long ago.
- 16. To allow something to come out.
- 19. Liquid changed into gas.