Across
- 1. By observing the [blank] of an unknown substance, a scientist can figure out what the substance is.
- 5. When a substances goes through a [blank] change, a new substance with different properties is formed.
- 7. temperature at which a liquid becomes a gas beneath the surface
- 10. describes how one substance reacts with another substance
- 11. the temperature at which a solid becomes a liquid
- 13. One way to compare the [blank] of two objects that are the same size is to hold one in each hand.
- 14. the tendency of a denser liquid to push a less dense substance upward
Down
- 2. Chemical properties cannot be seen until a [blank] takes place.
- 3. Color, size, shape, odor, and texture are all [blank] properties.
- 4. When two objects are the same size, the [blank] item is denser.
- 6. Anything less dense than water will [blank] when placed in water.
- 7. Oil rises and floats to the top of water because of [blank].
- 8. Mass, melting point, boiling point, and [blank] are physical properties.
- 9. Anything denser than water will [blank] when placed in water
- 12. can be observed or measured without changing the substance