Question 1

How does Aristotle's model of matter explain why the air over a flame is always moist?

Accepted Answer

A)  Aristotle's model of matter explains that moisture in the air draws heat out of the flame. 
B)  Aristotle's model of matter explains that moisture counters heat since water counters fire. 
C)  Aristotle's model of matter would explain quite the opposite and predict the air above the flame would become dry. 
D)  Aristotle's model does not deal with the concept of air over a flame. 
A)  Aristotle's model of matter explains that moisture in the air draws heat out of the flame. 
B)  Aristotle's model of matter explains that moisture counters heat since water counters fire. 
C)  Aristotle's model of matter would explain quite the opposite and predict the air above the flame would become dry. 
D)  Aristotle's model does not deal with the concept of air over a flame.

Question 2

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 3

An old remedy for separating a pair of nested drinking glasses stuck together is to run water at one temperature into the inner glass and then run water at a different temperature over the surface of the outer glass. Which water should be hot and which should be cold?

Accepted Answer

A)  fill the inner glass with cold water while running hot water over the outer glass 
B)  fill the inner glass with hot water while running cold water over the outer glass 
C)  submerge both glass in a tub of hot water; wait for a while and then transfer to a tub of cold water 
D)  submerge both glass in a tub of cold water; wait for a while and then transfer to a tub of hot water 
A)  fill the inner glass with cold water while running hot water over the outer glass 
B)  fill the inner glass with hot water while running cold water over the outer glass 
C)  submerge both glass in a tub of hot water; wait for a while and then transfer to a tub of cold water 
D)  submerge both glass in a tub of cold water; wait for a while and then transfer to a tub of hot water

Question 4

How many calories are there in a candy bar containing 230 Calories?

Accepted Answer

A)  230 calories 
B)  2300 calories 
C)  23,000 calories 
D)  230,000 calories 
A)  230 calories 
B)  2300 calories 
C)  23,000 calories 
D)  230,000 calories

Question 5

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 6

Will your body possess energy after you die? If so, what kind?

Accepted Answer

A)  Your body possesses no energy after you die because it cannot move on its own. 
B)  Your body possesses both potential and kinetic energy even as it lies still. 
C)  Your body possesses chemical potential energy, which is the potential energy found within the atoms and molecules of your tissues. 
D)  Your body possesses chemical potential energy, but also kinetic energy at the level of atoms and molecules, which vibrate rapidly. 
A)  Your body possesses no energy after you die because it cannot move on its own. 
B)  Your body possesses both potential and kinetic energy even as it lies still. 
C)  Your body possesses chemical potential energy, which is the potential energy found within the atoms and molecules of your tissues. 
D)  Your body possesses chemical potential energy, but also kinetic energy at the level of atoms and molecules, which vibrate rapidly.

Question 7

Considering how small atoms are, what are the chances that at least one of the atoms exhaled in your first breath will be in your last breath?

Accepted Answer

A)  not very likely because atoms are constantly dematerializing 
B)  not possible at all because atom don't last that long 
C)  very probable because of how incredibly small atoms are 
D)  There's not really a way that scientists are able to make such an estimate. 
A)  not very likely because atoms are constantly dematerializing 
B)  not possible at all because atom don't last that long 
C)  very probable because of how incredibly small atoms are 
D)  There's not really a way that scientists are able to make such an estimate.

Question 8

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 9

When a liquid evaporates, the vapor expands because ________.

Accepted Answer

A)  the gas particles have less kinetic energy than the liquid particles 
B)  the gas particles have less potential energy than the liquid particles 
C)  the gas particles have more potential energy than the liquid particles 
D)  the gas particles have more kinetic energy than the liquid particles 
E)  the gas particles are bigger than the liquid particles 
A)  the gas particles have less kinetic energy than the liquid particles 
B)  the gas particles have less potential energy than the liquid particles 
C)  the gas particles have more potential energy than the liquid particles 
D)  the gas particles have more kinetic energy than the liquid particles 
E)  the gas particles are bigger than the liquid particles

Question 10

Assuming temperature remains constant, what happens to the density of a gas as the gas is compressed into a smaller volume?

Accepted Answer

A)  The density of the gas decreases along with the decreasing volume. 
B)  The density of the gas increases along with the decreasing volume. 
C)  The density of the gas stays the same because it is an intrinsic property of a material. 
D)  The density increases because of an increase in mass. 
A)  The density of the gas decreases along with the decreasing volume. 
B)  The density of the gas increases along with the decreasing volume. 
C)  The density of the gas stays the same because it is an intrinsic property of a material. 
D)  The density increases because of an increase in mass.

Question 11

Which of the following does not describe volume?

Accepted Answer

A)  the weight of a given object 
B)  liters 
C)  the amount of space a material occupies 
D)  a box 20 cm × 20 cm × 20 cm 
E)  milliliters 
A)  the weight of a given object 
B)  liters 
C)  the amount of space a material occupies 
D)  a box 20 cm × 20 cm × 20 cm 
E)  milliliters

Question 12

What is the mass in kilograms of a 130-pound human standing on planet Earth?

Accepted Answer

A)  about 290 kg 
B)  about 59 kg 
C)  about 130 kg 
D)  about 22 kg 
A)  about 290 kg 
B)  about 59 kg 
C)  about 130 kg 
D)  about 22 kg

Question 13

Dmitri Mendeleev's chart of elements ________.

Accepted Answer

A)  was used as a calendar 
B)  placed elements together with similar properties 
C)  shifted the elements to fill in the gaps 
D)  had many defects because of unknown elements 
A)  was used as a calendar 
B)  placed elements together with similar properties 
C)  shifted the elements to fill in the gaps 
D)  had many defects because of unknown elements

Question 14

Using the above images illustrating identical volumes of different materials, which has the highest density?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  All have the same mass. 
E)  All have the same density. 
A)  A 
B)  B 
C)  C 
D)  All have the same mass. 
E)  All have the same density.

Question 15

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 16

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 17

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.

Question 18

In what sense can you truthfully say that you are a part of every person around you?

Accepted Answer

A)  We all live on the same planet and share the same resources. 
B)  We are continually exchanging our atoms. 
C)  We all share the same genetic code. 
D)  There are more people alive now than have ever lived. 
A)  We all live on the same planet and share the same resources. 
B)  We are continually exchanging our atoms. 
C)  We all share the same genetic code. 
D)  There are more people alive now than have ever lived.

Question 19

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 20

Which of the following is the least amount of energy?

Accepted Answer

A)  1.0 joules 
B)  1.0 kilojoule 
C)  1.0 Calorie 
D)  1.0 kilocalorie 
E)  1.0 calorie 
A)  1.0 joules 
B)  1.0 kilojoule 
C)  1.0 Calorie 
D)  1.0 kilocalorie 
E)  1.0 calorie

How does Aristotle's model of matter explain why the air over a flame is always moist?

Your weight is always ________.

An old remedy for separating a pair of nested drinking glasses stuck together is to run water at one temperature into the inner glass and then run water at a different temperature over the surface of the outer glass. Which water should be hot and which should be cold?

How many calories are there in a candy bar containing 230 Calories?

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

Will your body possess energy after you die? If so, what kind?

Considering how small atoms are, what are the chances that at least one of the atoms exhaled in your first breath will be in your last breath?

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

When a liquid evaporates, the vapor expands because ________.

Assuming temperature remains constant, what happens to the density of a gas as the gas is compressed into a smaller volume?

Which of the following does not describe volume?

What is the mass in kilograms of a 130-pound human standing on planet Earth?

Dmitri Mendeleev's chart of elements ________.

Using the above images illustrating identical volumes of different materials, which has the highest density?

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?

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

What is the difference between mass and weight?

In what sense can you truthfully say that you are a part of every person around you?

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?

Which of the following is the least amount of energy?

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

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Exam 2: Particles of Matter

How does Aristotle's model of matter explain why the air over a flame is always moist?

Your weight is always ________.

An old remedy for separating a pair of nested drinking glasses stuck together is to run water at one temperature into the inner glass and then run water at a different temperature over the surface of the outer glass. Which water should be hot and which should be cold?

How many calories are there in a candy bar containing 230 Calories?

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

Will your body possess energy after you die? If so, what kind?

Considering how small atoms are, what are the chances that at least one of the atoms exhaled in your first breath will be in your last breath?

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

When a liquid evaporates, the vapor expands because ________.

Assuming temperature remains constant, what happens to the density of a gas as the gas is compressed into a smaller volume?

Which of the following does not describe volume?

What is the mass in kilograms of a 130-pound human standing on planet Earth?

Dmitri Mendeleev's chart of elements ________.

Using the above images illustrating identical volumes of different materials, which has the highest density?

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?

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

What is the difference between mass and weight?

In what sense can you truthfully say that you are a part of every person around you?

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?

Which of the following is the least amount of energy?

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