Physical vs Chemical

What happens to a substance during a physical change?

• It becomes a new substance

• It changes states of matter

• It goes through a chemical reaction

When a substance changes state, is that a physical change or a chemical change?

• physical

• chemical

what happens to atoms during a chemical change?

• they rearrange

• they are created

• they are destroyed

• they are formed

Which law explains the fact that matter is neither created nor destroyed?

• Law of Chemistry

• Law of Matter

• Law of Conservation of Mass

• Newton's Law

Which of the following is a sign of a physical change?

• change in shape

• bubbles

• fire

• unexpected color change

which of the following is a sign of a chemical change?

• expected color change

• gas formed

• expected temp. change

• change in shape

does a change in energy occur with physical or chemical?

• physical

• chemical

• both

if energy is absorbed during a chemical change it is

• endothermic

• exothermic

if energy is released during a chemical change?

• endothermic

• exothermic

is burning a match endothermic or exothermic?

• endothermic

• exothermic