Physical Changes and Chemical Changes

What is a physical change?

• A type of change in which a new substance is formed

• A type of change in which a new substance is NOT formed.

• A type of change in which a substance disappears.

• A type of change in which multiple new substances are formed.

What is a chemical change?

• A type of change in which a new substance is formed.

• A type of change in which a new substance is NOT formed.

• A type of change in which a substance disappears.

• A type of change that speeds up a chemical reaction.

When something burns, it is a ________ change.

When a substance changes states (melts, evaporates, etc.) it is often a _________ change.

Milk spoiling would be an example of which kind of change?

• Physical Change

• Chemical Change

Is water evaporating an example of a physical or chemical change?

• Physical Change

• Chemical Change

Placing the spoon in hot water was a physical change since the melted metal was still…

• iron

• aluminum

• steel

• gallium

When the banana, berries, water and hot dog are blended, does a physical or chemical change occur?

• Physical Change

• Chemical Change

Mark all of the forms of matter.

• liquid

• heat

• solid

• light

• gas

How is a chemical change different from a physical change?