Across
- 1. After chemical reaction
- 5. Direct contact
- 6. Solid to liquid
- 7. Thermal
- 9. Cold or hot
- 11. Electricity flow
- 12. Electricity can't flow
Down
- 2. Change during reaction
- 3. Releases energy by light or heat
- 4. Movement of a heated fluid
- 8. Absorbs heat from its surroundings
- 10. Energy from space