Chemical and Physical Changes flashcard

Front

What is a chemical change?

Back

A process where a new substance is formed, such as rusting iron.

Front

What is a physical change?

Back

A change in size, shape, or state of matter that does not create a new substance.

Front

What happens when iron rusts?

Back

A new substance, rust, forms on the iron.

Front

How can you separate a mixture of peas and sand?

Back

Using a strainer.

Front

What is a product in a chemical reaction?

Back

The newly formed matter after a chemical reaction.

Front

What is a reactant in a chemical reaction?

Back

The starting materials that undergo change in a chemical reaction.

Front

What is an example of a physical change?

Back

Melting ice into water.

Front

What is an example of a chemical change?

Back

Burning paper.

Front

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

Back

A chemical change results in a new substance, while a physical change does not.

Front

What is rust?

Back

A chemical compound formed when iron reacts with oxygen and moisture.