Physical & Chemical Changes of Matter

Baking soda and vinegar combine to make carbon dioxide, water, and sodium acetate. This is a...

• chemical Change

• physical Change

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

A change in matter that forms one or more new substances with new properties is a...

• physical Change

• chemical Change

Which of the following is NOT a sign of a chemical change/reaction?

• color change

• odor change

• formation of gas/bubbles

• phase change (e.g. freezing)

Which of the following indicates a PHYSICAL change?

• spontaneous change in temperature

• change in shape

• odor change

• change in color

Density, solubility, color, and texture are examples of...

• physical properties

• chemical properties

Molecules that are tightly packed together are found in...

• solids

• liquids

• gases

A property of matter you observe as it reacts or changes into a different substance is a...

• physical property

• chemical property

When something rusts, it changes color and creates a new substance. The ability to rust is this type of property:

• physical property

• chemical property

Which of the following properties is a physical property?

• magnetism

• chemical reaction

• ability to burn

• ability to react to acetic acid