Across
- 3. You can measure this change with a thermometer.
- 5. This means something cannot be undone, like a chemical change.
- 7. You might see this change during a chemical reaction.
- 9. This type of change is what chemists study.
- 10. You can do this to things that haven't reacted.
Down
- 1. (4,8) This can be written to show a chemical reaction.
- 2. You can observe this when gas is made, lots of bubbles.
- 4. A chemical reaction sometimes goes off with a BANG.
- 6. This means something can be undone, like a physical change
- 8. If a reaction glows it is giving off......
- 11. This type of change isn't permanent