Big Idea 8 and 9 Review

Front

What type of change is burning wood?

Back

Chemical change

Front

What type of change occurs when a substance changes but does not form a new substance?

Back

Physical change

Front

What is formed when iron gets wet and reacts with oxygen?

Back

Rust

Front

What are the signs that decaying is a chemical change?

Back

A change in color and smell

Front

What is a physical change?

Back

A change that does not result in a new substance.

Front

What is a chemical change?

Back

A change that results in the formation of new substances.

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Burning paper.

Front

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

Back

The properties change and new substances are formed.

Front

What is rusting?

Back

The process of iron reacting with oxygen and moisture to form rust.