Physical and Chemical Changes

Is "word burning in a fireplace" a chemical or physical change?

• Chemical change
• Physical change

Is "a glass of milk becoming sour" physical or chemical?

• Chemical change
• Physical change

Is "sugar dissolves in water" a chemical or physical change?

• Chemical change
• Physical change

Is "mold growing on cheese" a chemical or physical change?

• Chemical change
• Physical change

Tomato juice is made from ripe tomatoes.  Physical or chemical change?

• Chemical change
• Physical change

A pencil is sharpened.  Physical or chemical change?

• Physical change
• Chemical change

A brass door knob tarnishes.  Physical or chemical change?

• Chemical change
• Physical change

Anything that has mass and takes up space is _________.

• Volume
• Mass
• Density
• Matter

A change from a solid to a liquid is called:

• Freezing
• Melting
• Evaporation
• Sublimation

Which property of a substance depends on how much of the substance there is?

• mass
• density
• boiling point
• melting point