Across
- 5. a gas burned from petrol
- 7. a liquid made of hydrogen and oxygen
- 8. something you need to breath
- 9. something that gives energy to vehicles
- 10. something that you need for fires
Down
- 1. a way of burning something
- 2. three things needed to make a fire
- 3. a mix of hydrogen and carbon which is used for fuels
- 4. something used to power cars you get from a pump
- 6. a word used for a put out fire