Properties and Changes in Matter

Front

What type of change occurs when a cube of ice is crushed and then melted?

Back

Physical changes only.

Front

What is an example of a chemical change?

Back

Rust forms on a hammer that has been left outside too long.

Front

What does it mean when sugar is soluble in water?

Back

It is a physical property.

Front

What is a physical property of silver?

Back

Silver is shiny.

Front

How is a physical property defined?

Back

A physical property is measured or observed with the senses without destroying the object.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

Can you give an example of a physical change?

Back

Melting ice, boiling water, or dissolving sugar in water.

Front

What happens to the chemical composition of a substance during a chemical change?

Back

The chemical composition changes, resulting in new substances.

Front

What are some common indicators of a chemical change?

Back

Color change, temperature change, gas production, and formation of a precipitate.

Front

Is dissolving salt in water a physical or chemical change?

Back

It is a physical change.