Chemical Change in Matter

Which will result in a physical change in an egg?

• Frying

• Beating

• Putting it in vinegar

Which is not a chemical change?

• Freezing juice to make ice candies

• Bleaching clothes to remove stains

• Using gasoline to make a lawnmower run

Which is not a physical change?

• Melting cheese

• Fermenting cheese

• Mixing two kinds of cheese

Which activity shows chemical change on hair?

• Having it cut short

• Having it dyed blonde

• Putting conditioner on it

What will most likely happen to the spokes of your bike if you leave them outside in the rain?

• They will rust

• They will break

• They will become longer

What physical change is indicated by ice turning to water when you put it outside the refrigerator?

• Evaporation

• Melting

• Oxidation

What chemical change is indicated by centuries-old copper statue turning into a darker shade?

• Oxidation

• Tarnishing

• Electrolysis

What chemical change is indicated by methane gas in a stove reacting with oxygen to form flames when you use the stove?

• Oxidation

• Tarnishing

• Combustion

Which will result in a chemical change on a piece of paper

• Folding the piece of paper

• Burning the piece of paper

• Painting the piece of paper brown

At what temperature does water boils?

• 1 degree Celsius

• 10 degree Celsius

• 100 degree Celsius