Across
- 3. Characteristic that can be observed or measured without changing the substance, for example color, melting point, or conductivity.
- 5. Evidence of release of energy during a chemical change.
- 6. Increase or decrease of heat energy in a substance may be evidence of a new substance formed during chemical change.
- 9. Evidence of a new substance formed from chemical change.
- 10. A change that alters the identity of a substance resulting in a new substance or substances with different
- 11. Characteristics that can only be observed or measured when atoms of matter rearrange during a chemical change.
- 12. A change to a substance without forming a new substance, such as changing size or state of matter.
- 13. A pure substance composed of the same type of atom throughout.
Down
- 1. Any form of matter that is uniform throughout and has consistent properties.
- 2. Anything that has volume and mass. Matter occurs as elements, compounds,and mixtures.
- 3. Evidence of a new substance formed from a chemical change, resulting in solid particles that form or separate out of a liquid.
- 4. Distinct forms of matter known in everyday experience: solid, liquid, and gas. Also referred to as phases.
- 5. Physical and chemical characteristics of matter used to describe or identify a substance.
- 7. Pure substance made of two or more kinds of atoms bound together.
- 8. Visible change in substance coloration is evidence of a new substance formed from chemical change.