Question 1

What physical quantities discussed in this chapter change most when a junked car is neatly crushed into a compact cube?

Accepted Answer

A) The car's weight and volume change, but not its mass. 
B) The volume of the car changes as well as its average density. 
C) The car's temperature changes, but not its average density. 
D) The mass of the car changes as well as its volume. 
A) The car's weight and volume change, but not its mass. 
B) The volume of the car changes as well as its average density. 
C) The car's temperature changes, but not its average density. 
D) The mass of the car changes as well as its volume.

Question 2

Why do aerosol cans explode if heated?

Accepted Answer

A) The cans are pressurized with a volatile and flammable liquid. If the can is heated, the flammable liquid combusts and explodes. 
B) The lining of the aerosol can is composed of a flammable organic substance. If heated, the lining will ignite and explode the can. 
C) An increase in temperature will increase the pressure inside the aerosol can. When the pressure inside the can exceeds the pressure limit of the can, it explodes. 
D) In general, aerosol cans don't really explode when heated. This warning only applies to aerosol cans containing dangerous flammable chemicals. 
E) Any time a liquid expands to the vapor state, the atoms or molecules explode since they are being asked to expand more 22,400 times their initial volume in just a few seconds. 
A) The cans are pressurized with a volatile and flammable liquid. If the can is heated, the flammable liquid combusts and explodes. 
B) The lining of the aerosol can is composed of a flammable organic substance. If heated, the lining will ignite and explode the can. 
C) An increase in temperature will increase the pressure inside the aerosol can. When the pressure inside the can exceeds the pressure limit of the can, it explodes. 
D) In general, aerosol cans don't really explode when heated. This warning only applies to aerosol cans containing dangerous flammable chemicals. 
E) Any time a liquid expands to the vapor state, the atoms or molecules explode since they are being asked to expand more 22,400 times their initial volume in just a few seconds.

Question 3

Which of the following would best describe heat?

Accepted Answer

A) Heat is energy that moves from high to low temperature objects. 
B) Heat is a measure of the temperature of an object. 
C) Heat can be measured with a thermometer. 
D) Objects at the same temperature have the same amount of heat. 
E) Heat is a measure of the average amount of energy in an object. 
A) Heat is energy that moves from high to low temperature objects. 
B) Heat is a measure of the temperature of an object. 
C) Heat can be measured with a thermometer. 
D) Objects at the same temperature have the same amount of heat. 
E) Heat is a measure of the average amount of energy in an object.

Question 4

Which has more total energy: a cup of boiling water at 100°C or a swimming pool of slightly cooler water at 90°C?

Accepted Answer

A) The cup of boiling water at 100°C has more energy. 
B) The swimming pool at 90°C has more energy. 
C) They both have the same amount of energy because they are both made of water. 
D) It is not possible to answer this question without knowing the ambient temperature surrounding each body of water. 
A) The cup of boiling water at 100°C has more energy. 
B) The swimming pool at 90°C has more energy. 
C) They both have the same amount of energy because they are both made of water. 
D) It is not possible to answer this question without knowing the ambient temperature surrounding each body of water.

Question 5

If the density of a block of ice is 0.92 g/mL, what is the volume of 100. g of ice?

Accepted Answer

A) 109 mL 
B) 92.0 mL 
C) 0.920 mL 
D) 10.9 mL 
E) 0.109 mL 
A) 109 mL 
B) 92.0 mL 
C) 0.920 mL 
D) 10.9 mL 
E) 0.109 mL

Question 6

The gravity of the moon is 1/6 that of Earth's. If your mass is 65 kilograms on Earth, what is your mass on the moon?

Accepted Answer

A) 65 kg 
B) 10.8 kg 
C) 390 kg 
D) 39.0 kg 
E) 6.5 kg 
A) 65 kg 
B) 10.8 kg 
C) 390 kg 
D) 39.0 kg 
E) 6.5 kg

Question 7

What happens to the density of a filled water balloon as it is pulled to the bottom of the ocean?

Accepted Answer

A) The density of the filled water balloon does not change. The increase in pressure is offset by a decrease in water temperature. 
B) The density of the filled water balloon decreases as more cold water surrounds the balloon at greater depth. 
C) The density of the filled water balloon increases since the balloon is compressed to a smaller volume. 
D) The density of the filled water balloon first increases because of a decrease in water temperature, then the density decreases at greater depths as the pressure increases. 
A) The density of the filled water balloon does not change. The increase in pressure is offset by a decrease in water temperature. 
B) The density of the filled water balloon decreases as more cold water surrounds the balloon at greater depth. 
C) The density of the filled water balloon increases since the balloon is compressed to a smaller volume. 
D) The density of the filled water balloon first increases because of a decrease in water temperature, then the density decreases at greater depths as the pressure increases.

Question 8

Your weight is always ________.

Accepted Answer

A) greater than your mass 
B) equal to your mass 
C) less than your mass 
D) not the same thing as your mass 
A) greater than your mass 
B) equal to your mass 
C) less than your mass 
D) not the same thing as your mass

Question 9

The diagram on the far left shows the moving particles of a gaseous material within a rigid container. Which of the three boxes on the right best represents this material upon the addition of heat?

Accepted Answer

A) box A because it shows the gas particles rising upon the addition of heat 
B) box B because it shows the gas particles moving faster 
C) box C because it shows how the particles expand upon the addition of heat 
D) All three of these boxes show accurate representations of what happens to the particles within this rigid container upon the addition of heat. 
A) box A because it shows the gas particles rising upon the addition of heat 
B) box B because it shows the gas particles moving faster 
C) box C because it shows how the particles expand upon the addition of heat 
D) All three of these boxes show accurate representations of what happens to the particles within this rigid container upon the addition of heat.

Question 10

What is the mass in kilograms of a human weighing 130-pounds on the moon?

Accepted Answer

A) about 350 kg 
B) about 48 kg 
C) about 22 kg 
D) about 130 kg 
A) about 350 kg 
B) about 48 kg 
C) about 22 kg 
D) about 130 kg

Question 11

What would be the effect on an enclosed volume of gas if we were to simultaneously double the pressure and double the Kelvin (Absolute)temperature of the enclosed gas?

Accepted Answer

A) The gas volume would double. 
B) The gas volume would be cut in half. 
C) The gas volume would remain the same. 
D) The gas density would double and the gas would liquify. 
E) It's not possible to simultaneously double the pressure and temperature. 
A) The gas volume would double. 
B) The gas volume would be cut in half. 
C) The gas volume would remain the same. 
D) The gas density would double and the gas would liquify. 
E) It's not possible to simultaneously double the pressure and temperature.

Question 12

The same amount of red colored Kool-Aid crystals are added to a still glass of thick sugar water and a still glass of distilled water. Both are the same temperature. Neither is stirred. Which should become uniform in color first?

Accepted Answer

A) The glass of distilled water should become uniform in color first. 
B) The glass of thick sugar water should become uniform in color first. 
C) Both glasses will become uniform in color at exactly the same time. 
D) Without stirring, it is unlikely that either glass will ever become uniform in color. 
A) The glass of distilled water should become uniform in color first. 
B) The glass of thick sugar water should become uniform in color first. 
C) Both glasses will become uniform in color at exactly the same time. 
D) Without stirring, it is unlikely that either glass will ever become uniform in color.

Question 13

A minimum temperature exists (absolute zero). Why does no known maximum temperature exist?

Accepted Answer

A) Scientists have not yet determined what instruments might be able to measure the maximum temperature. 
B) Scientists disagree on the pressure conditions with which to measure the maximum temperature. 
C) Assuming no limit on the relative speed of atoms and molecules, it follows that there is no maximum temperature. 
D) The maximum temperature is known to exist on the sun but we have not been able to measure it yet. 
A) Scientists have not yet determined what instruments might be able to measure the maximum temperature. 
B) Scientists disagree on the pressure conditions with which to measure the maximum temperature. 
C) Assuming no limit on the relative speed of atoms and molecules, it follows that there is no maximum temperature. 
D) The maximum temperature is known to exist on the sun but we have not been able to measure it yet.

Question 14

The diagram on the left in box A shows the interface of solid and liquid phases of a single substance where each sphere represents a molecule of that substance. Which box, A, B, or C, best represents what the molecules of this substance would look like if heat were added? Which box best represents what the molecules substance would look like if heat were taken away?

Accepted Answer

A) A and C 
B) B and C 
C) A and B 
D) C and B 
A) A and C 
B) B and C 
C) A and B 
D) C and B

Question 15

What determines the direction of heat flow?

Accepted Answer

A) Heat always flows from a lower-temperature substance into a higher-temperature substance. 
B) Heat always flows from a higher-temperature substance into a lower-temperature substance. 
C) Heat flow direction depends upon the density of the substances involved. 
D) The direction of heat flow is not predictable in any given process. 
A) Heat always flows from a lower-temperature substance into a higher-temperature substance. 
B) Heat always flows from a higher-temperature substance into a lower-temperature substance. 
C) Heat flow direction depends upon the density of the substances involved. 
D) The direction of heat flow is not predictable in any given process.

Question 16

Can an object have mass without having weight? Can it have weight without having mass?

Accepted Answer

A) yes and yes 
B) yes and no 
C) no and yes 
D) no and no 
A) yes and yes 
B) yes and no 
C) no and yes 
D) no and no

Question 17

Which would you rather have: a decigram or a kilogram of gold?

Accepted Answer

A) a decigram of gold because this is 100 times as much as a kilogram of gold 
B) a decigram of gold because this is 1000 times as much as a kilogram of gold 
C) a kilogram of gold because this is 1000 times as much as a decigram of gold 
D) a kilogram of gold because this is 10,000 times as much as a decigram of gold 
A) a decigram of gold because this is 100 times as much as a kilogram of gold 
B) a decigram of gold because this is 1000 times as much as a kilogram of gold 
C) a kilogram of gold because this is 1000 times as much as a decigram of gold 
D) a kilogram of gold because this is 10,000 times as much as a decigram of gold

Question 18

Which of the following is an example of something best described as having kinetic energy?

Accepted Answer

A) a ball falling through the air 
B) a boulder at the bottom of a cliff 
C) a dart stuck into a dart board 
D) a candy bar with 230 kilocalories 
E) a log of wood in a fireplace that has not been lit 
A) a ball falling through the air 
B) a boulder at the bottom of a cliff 
C) a dart stuck into a dart board 
D) a candy bar with 230 kilocalories 
E) a log of wood in a fireplace that has not been lit

Question 19

The phase in which atoms and molecules no longer move is ________.

Accepted Answer

A) the solid phase 
B) the liquid phase 
C) the gas phase 
D) none of the above 
A) the solid phase 
B) the liquid phase 
C) the gas phase 
D) none of the above

Question 20

What is the difference between mass and weight?

Accepted Answer

A) Weight is the observed effect of gravity on mass. 
B) Mass is how much; weight is how much space. 
C) Weight is how much; mass is how much space. 
D) Weight and mass are the same everywhere. 
E) Mass is the observed effect of inertia on weight. 
A) Weight is the observed effect of gravity on mass. 
B) Mass is how much; weight is how much space. 
C) Weight is how much; mass is how much space. 
D) Weight and mass are the same everywhere. 
E) Mass is the observed effect of inertia on weight.

What physical quantities discussed in this chapter change most when a junked car is neatly crushed into a compact cube?

Why do aerosol cans explode if heated?

Which of the following would best describe heat?

Which has more total energy: a cup of boiling water at 100°C or a swimming pool of slightly cooler water at 90°C?

If the density of a block of ice is 0.92 g/mL, what is the volume of 100. g of ice?

The gravity of the moon is 1/6 that of Earth's. If your mass is 65 kilograms on Earth, what is your mass on the moon?

What happens to the density of a filled water balloon as it is pulled to the bottom of the ocean?

Your weight is always ________.

The diagram on the far left shows the moving particles of a gaseous material within a rigid container. Which of the three boxes on the right best represents this material upon the addition of heat?

What is the mass in kilograms of a human weighing 130-pounds on the moon?

What would be the effect on an enclosed volume of gas if we were to simultaneously double the pressure and double the Kelvin (Absolute)temperature of the enclosed gas?

The same amount of red colored Kool-Aid crystals are added to a still glass of thick sugar water and a still glass of distilled water. Both are the same temperature. Neither is stirred. Which should become uniform in color first?

A minimum temperature exists (absolute zero). Why does no known maximum temperature exist?

What determines the direction of heat flow?

Can an object have mass without having weight? Can it have weight without having mass?

Which would you rather have: a decigram or a kilogram of gold?

Which of the following is an example of something best described as having kinetic energy?

The phase in which atoms and molecules no longer move is ________.

What is the difference between mass and weight?

About Science

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Organic Compounds

Nutrients of Life

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters

Exam 2: Particles of Matter

What physical quantities discussed in this chapter change most when a junked car is neatly crushed into a compact cube?

Why do aerosol cans explode if heated?

Which of the following would best describe heat?

Which has more total energy: a cup of boiling water at 100°C or a swimming pool of slightly cooler water at 90°C?

If the density of a block of ice is 0.92 g/mL, what is the volume of 100. g of ice?

The gravity of the moon is 1/6 that of Earth's. If your mass is 65 kilograms on Earth, what is your mass on the moon?

What happens to the density of a filled water balloon as it is pulled to the bottom of the ocean?

Your weight is always ________.

The diagram on the far left shows the moving particles of a gaseous material within a rigid container. Which of the three boxes on the right best represents this material upon the addition of heat?

What is the mass in kilograms of a human weighing 130-pounds on the moon?

What would be the effect on an enclosed volume of gas if we were to simultaneously double the pressure and double the Kelvin (Absolute)temperature of the enclosed gas?

The same amount of red colored Kool-Aid crystals are added to a still glass of thick sugar water and a still glass of distilled water. Both are the same temperature. Neither is stirred. Which should become uniform in color first?

A minimum temperature exists (absolute zero). Why does no known maximum temperature exist?

What determines the direction of heat flow?

Can an object have mass without having weight? Can it have weight without having mass?

Which would you rather have: a decigram or a kilogram of gold?

Which of the following is an example of something best described as having kinetic energy?

The phase in which atoms and molecules no longer move is ________.

What is the difference between mass and weight?

About Science

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Organic Compounds

Nutrients of Life

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters