Chemistry: Solids, Liquids and Gases

Which is an example of a solid?

• Air you breathe

• Water you drink

• A chair you sit on

• Hot chocolate

What is the common name for the solid state of water?

• Ice

• Steam

• Rain

• Liquid

Why does a balloon filled with air weigh less than a balloon filled with water?

• The atoms in gas are closer together

• The atoms in gas are more spread out

• There are less atoms in the balloon filled with water

Which state of matter is the easiest to compress?

• Solid

• Liquid

• Gas

What usually happens when you heat up a solid?

• It freezes

• It vaporises

• It melts

Which state of matter clearly conforms to the shape of its container?

• Solid

• Liquid

• Gas

What is the definition of a chemical change?

• A change that can be reversed

• A change that cannot be reversed

What is the definition of a physical change?

• A change that can be reversed

• A change that cannot be reversed

Which is an example of a chemical change?

• Salt dissolving in water

• Glass shattering

• Baking a cake

• Water boiling

Which is an example of a physical change?

• Wood burning

• Ice melting

• Cooking an egg

• Metal rusting