Mixtures & Solutions Investigation 1

When a gas cools down (or the energy is removed) what happens?

• the particles slow down

• it condenses

• it turns into a liquid

• all of the above

Knowing the particle size of the materials in a mixture helps you know___________________.

• how much the mixture will weigh

• what the crystals will look like after evaporation

• whether one of the materials will dissolve

• which tools to use to separate them

What mixture has all three states of matter?

• cereal and milk

• trail mix

• a glass of ice and soda

• salt water

Which of the following is a property of matter?

• texture

• size

• volume

• state of matter

• all of the above

Where does the solid material go when a solution is made?

• it disappears

• it evaporates

• *poof* it's magic

• it dissolves

When a solid material dissolves in water, the solution is ____________?

What is the best way to separate gravel from a mixture of sand, gravel, water and wood chips?

• filter paper

• use your hands

• a mesh screen

• a magnet

What tool would you use to separate flour from water in a mixture?

• filter paper

• a magnet

• a mesh screen

• a funnel

Energy is matter

• True

• False

A mixture is ___________________ mixed together.

• two materials

• two or more materials