Chemical and Physical Changes

Front

PHYSICAL CHANGE

Back

it is the same substance before and after the change

Front

Which is a clue that a physical change has occurred? Options: it's a new color, the state of matter has changed, it has a bad smell, it gets smaller

Back

the state of matter has changed

Front

Which of these is a physical change? ice cream melting, a fire burns and ashes are created, light is created when you bend a glow stick, rust on a bicycle chain

Back

ice cream melting

Front

CHEMICAL CHANGE

Back

atoms and molecules rearrange to make a new substance

Front

Which of these is a CHEMICAL change? getting a haircut, baking a cake, cracking an egg, tearing up a sheet of paper

Back

baking a cake

Front

Which of these is a chemical change?

• silver necklace tarnishing
• cutting the grass with a lawnmower
• putting m&m's and skittles in the same bowl together
• putting milk on cereal

Back

silver necklace tarnishing

Front

Which of these is a physical change?

• sodium and chlorine combining to make salt
• hydrogen and oxygen combining to make water
• lighting a match
• freezing juice to eat like a popsicle

Back

freezing juice to eat like a popsicle

Front

What kind of change results in a new substance with new properties?

Back

chemical change