Chapter 3 Test - Craig Fisher | Biblioteka

MULTIPLE CHOICE

-Complete the following questions by clicking on the correct answer. Only one answer is correct. (2 pts. each)

2

Which of the following statements is NOT true of atoms and molecules?

A They are tiny.

B They are always in motion.

C They are found in all matter.

D They never bump into each other.

2

Crystalline solids

A include glass and rubber.

B may also be liquids.

C have molecules that are not in a special arrangement.

D have molecules in a regularly repeating pattern of rows.

2

A gas

A has a definite volume but no definite shape.

B has a definite shape but no definite volume.

C has fast moving molecules.

D has molecules that are always close together.

2

Balloons can be twisted into shapes because

A the volume of gas is constant.

B molecules of gas can be compressed.

C volume is measured in two dimensions.

D the force exerted changes the number of molecules.

2

How does a basketball under high pressure compare to a basketball under low pressure?

A The molecules of gas are farther apart.

B The molecules of gas collide only with each other.

C The force exerted on the inside of the ball is lower.

D There are more molecules of gas.

2

According to Charles's Law

A decreasing the temperature of a gas causes the pressure on the molecules to decrease.

B decreasing the temperature of a gas causes the volume of a gas to increase.

C increasing the temperature of a gas causes the volume of a gas to increase.

D increasing the temperature of a gas causes the pressure on the molecules to increase.

2

Boyle's Law explains the relationship between __________________ and pressure for a fixed amount of a gas.

A temperature

B pressure

C volume

D area

2

Which of these factors could affect the temperature at which water boils?

A the volume of water in the pot

B the atmospheric pressure at which the water is heated

C the amount of energy added to the water

D the type of fuel used to heat the water

2

How do the molecules of water that evaporate from an open container differ from the molecules that remain?

A The evaporated molecules only have more speed.

B The evaporated molecules have greater order.

C The evaporated molecules only have higher energy.

D The evaporated molecules have more speed and higher energy.

2

According to Charles's Law,

A heating a balloon will cause it to expand

B crushing a closed container of gas will increase the pressure

C pumping more air into a basketball will increase the pressure

D filling a balloon with helium will cause it to rise

2

If you open a bottle of perfume, after a period of time, the people on the opposite side of the room will be able to smell it due to the process of

A condensation.

B evaporation.

C sublimation.

D vapor pressure.

2

A drop of vinegar will flow and spread out but a drop of vegetable oil will form a bead. This is evidence that

A vegetable oil has a lower surface tension and lower viscosity.

B vinegar has a lower surface tension and lower viscosity than vegetable oil.

C vegetable oil has a lower surface tension and higher viscosity than vinegar.

D vinegar has a lower surface tension and higher viscosity than vegetable oil.

2

Which of the following statements is NOT true of all different types of matter?

A They are made up of atoms and molecules.

B The molecules that make them up are always in motion.

C They are made up of extremely small molecules.

D The molecules that make them up move at the same speed.

2

The reverse of condensation is

A ionization.

B evaporation.

C freezing.

D sublimation.

2

Boiling points and freezing points are examples of

A chemical properties

B physical properties

C energy

D matter

2

Which of the following examples involves an exothermic change?

A ice melting in a glass of lemonade

B water boiling in a large pot

C water vapor condensing to form droplets on a glass

D air in a bicycle tire gaining pressure on a hot day

2

Which of the following changes of state is exothermic?

A evaporation

B melting

C freezing

D all of the above

2

What happens when a liquid becomes a gas?

A The molecules give off energy.

B The molecules break away from each other.

C The molecules move closer together.

D The molecules slow down.

2

What is the same as the melting point of salt?

A its boiling point

B its condensation point

C its freezing point

D its sublimation point

2

Carbon dioxide gas can enter the air from dry ice. What has to happen to the dry ice?

A The dry ice must gain energy.

B The dry ice must boil.

C The dry ice must increase in pressure.

D The dry ice must go through an exothermic change.

COMPLETION

-Complete the following questions by selecting the correct answer from the word bank. Misspelled words will be marked as incorrect. Some answers may be used more than once, others may not be used at all. (2 pts. each)