Question

1. describe the results of a physical change and list three examples of physical change. 12. describe the results of a chemical change. list four indicators of chemical change.

Explanation:

11.

A physical change results in a change of a substance's form or state without altering its chemical composition. Examples are melting ice (solid - liquid change), tearing paper (form change), and cutting wood (form change).

A chemical change results in the formation of one or more new substances with different chemical properties. Indicators include color change, formation of a precipitate, production of gas, and change in temperature.

Answer:

Results: Change in form or state without chemical composition change.
Examples: Melting ice, tearing paper, cutting wood

12.