Physical and Chemical Changes

Front

What is a chemical change?

Back

A transformation that results in the creation of new substances.

Front

What type of change occurs when a substance reacts with an acid?

Back

Chemical change.

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as flammability.

Front

What is a physical change?

Back

A change that alters the form or appearance of a substance, but not its chemical composition.

Front

What happens to fundamental particles during a chemical change?

Back

They break and form new chemical bonds.

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 wood.

Front

What is the difference between physical and chemical properties?

Back

Physical properties can be observed without changing the substance, while chemical properties can only be observed during a chemical reaction.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is an example of a chemical reaction?

Back

Rusting of iron.