Air Quiz

In this state of matter, the particles are very loosely packed and

will continue to expand to fill the container they are in.

• solid

• gas

• liquid

• plasma

_____________ is anything that has mass and takes up space.

• properties

• sunlight

• matter

• length

When warmed, the particles in matter will _________________.

• move more slowly

• move more quickly

• not move

• disappear

When cooled, the particles in matter will _________________.

• move more slowly

• move more quickly

• not move

• disappear

_______________ is the amount of matter in an object.

• volume

• hardness

• density

• mass

When gases are heated, they ______________ and ________________.

• expand; sink

• contract; sink

• contract; rise

• expand; rise

Sugar particles will ________________ in hot water than in cold water.

• dissolve more quickly

• dissolve more slowly

• will not dissolve

• float

If we add thermal energy to the container, the gas inside the bag

will _________________.

• melt

• freeze

• expand

• contract

If we remove thermal energy from the container, the gas inside

the bag will start to __________________.

• contract

• evaporate

• expand

• freeze

After heating the container, the teacher released the bag from

the neck of the container. Why did the bag rise into the air and

float?

• The air inside the bag was more dense than the air around it.

• The air in the bag was evaporating.

• Gravity was no longer strong enough to pull on the bag.

• The air inside the bag was less dense than the air around it.