Matter

Solids flow like liquids when poured.

• True

• False

Answer explanation

False

Using our sense of smell, we can sometimes detect gases, like perfume or cooking smells.

• True

• False

Which of the following statements BEST explains why a gas can be compressed much more easily than a liquid?

• Gas molecules are much smaller than liquid molecules.

• Gas molecules have weaker intermolecular forces than liquid molecules.

• Gas molecules move much faster than liquid molecules.

• Gas molecules are more evenly spaced than liquid molecules

If you had a balloon filled with gas, what would happen if the balloon pops?

• The gas would stay in one place.

• The gas would spread out into the air.

• The gas would turn into a liquid.

• The gas would turn into a solid.

Imagine you’re making a drink with ice cubes. What happens to the ice cubes in your drink?

• They become solid.

• They melt and turn into liquid.

• They turn into gas immediately.

• They stay exactly the same.

If you were asked to design a container to hold a gas, what would you need to keep in mind?

• The gas can escape if the container isn’t sealed.

• The gas needs to be frozen first.

• The gas should be given space to move around.

• The container needs to be made of glass.