2022 Physical and Chemical Properties

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances with different properties.

Front

What is a physical change?

Back

A physical change is a process that alters the form or appearance of a substance but does not change its chemical composition.

Front

Is burning wood a chemical or physical change?

Back

Chemical change.

Front

Is glass breaking a chemical or physical change?

Back

Physical change.

Front

What happens during a chemical change?

Back

During a chemical change, bonds between atoms are broken and new bonds are formed, resulting in new substances.

Front

What happens during a physical change?

Back

During a physical change, the substance may change shape, size, or state, but its chemical identity remains the same.

Front

Is melting butter for popcorn a chemical or physical change?

Back

Physical change.

Front

Is melting ice a chemical or physical change?

Back

Physical change.

Front

Is spoiling food a physical or chemical change?

Back

Chemical change.

Front

Give an example of a chemical change.

Back

Rusting of iron is an example of a chemical change.