Across
- 3. purifying a liquid by heating or cooling
- 4. to pour a liquid from one container to another to separate
- 6. below 0 degrees
- 7. the process to filter something
- 8. heating a liquid to a vapor
Down
- 1. they are the small building blocks of matter
- 2. a small gas burner that mostly scientists use
- 5. to make something denser or more concentrated