Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change is a change that does not create a new substance. Examples include breaking glass or melting ice.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of a new substance. Examples include rusting steel and burning wood.

Front

Give an example of a physical change.

Back

An example of a physical change is a glass breaking.

Front

Give an example of a chemical change.

Back

An example of a chemical change is rusting steel.

Front

What happens when wood burns?

Back

When wood burns, a chemical change takes place.

Front

What is a sign of a chemical change?

Back

A change in color or smell is a sign of a chemical change.

Front

What happens to a candlewick when it burns?

Back

When a candlewick burns, it undergoes a chemical change.

Front

Is cutting bread a physical or chemical change?

Back

Cutting bread is a physical change.

Front

What is produced when wood burns?

Back

When wood burns, it produces ashes and heat, indicating a chemical change.

Front

What is an example of a change that does not form a new substance?

Back

An example is pouring water.