Across
- 4. A change in a substance that does not involve a change in the identity of the substance
- 6. Releases heat into the surroundings causing their temperature to increase.
- 9. A chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
- 10. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
- 11. absorbs heat from the surroundings causing their temperature to decrease.
Down
- 1. Characteristics that can be observed or measured without changing the identity of the substance (Melting or boiling points)
- 2. Matter (mass) is not created nor destroyed in any chemical or physical change, but it can be rearranged.
- 3. A substance that forms in a chemical reaction
- 5. Characteristics of a substance that determine how it will react with other substances.
- 7. A chemical substance that is present at the start of a chemical reaction
- 8. The process that causes atoms to rearrange to create a whole new substance.