Matter

What is matter?

• any visible solid that has mass
• any liquid that takes up space and has mass
• anything that takes up space and has mass
• any liquid or solid that takes up space

Which of the following is a mixture?

• air
• water
• sulfur
• salt

Compounds and elements are

• always solids
• mixtures
• pure substances
• heterogeneous

Which of the following is an example of a physical change?

• melting ice cubes
• burning paper
• rusting iron
• production of a new gas

Which is an example of a colloid?

• salt water
• milk
• orange juice
• sand

Which of the following describes what happens as the temperature of a gas in a balloon increases?

• the speed of the particles decreases
• the speed of the particles increases
• the speed of the particles remains the same
• it can be any of these

The part of a solution that is being dissolved:

• suspension
• solvent
• colloid
• solute

What factors will affect solubility?

• temperature
• pressure
• polarity
• all of these

During which of the following changes of state do atoms or molecules become more ordered?

• boiling
• condensation
• melting
• sublimation

True or False  Vaporization can be evaporation or boiling.

• True
• False