Question 1

Which of the following methods would keep an object cool even when it is exposed to direct sunlight?

Accepted Answer

A) Wrap it in aluminum foil with the shiny side facing inward. 
B) Wrap it in black paper. 
C) Wrap it in aluminum foil with the shiny side facing outward. 
D) Put it in a brown paper bag. 
A) Wrap it in aluminum foil with the shiny side facing inward. 
B) Wrap it in black paper. 
C) Wrap it in aluminum foil with the shiny side facing outward. 
D) Put it in a brown paper bag. C

Question 2

As air in the figure above moves from A to B, what will happen to its density?

Accepted Answer

A) It will increase. 
B) It will decrease. 
C) It will decrease at first, and then increase. 
D) It will remain the same. 
A) It will increase. 
B) It will decrease. 
C) It will decrease at first, and then increase. 
D) It will remain the same. B

Question 3

Imagine that the temperature of the sun changed. Describe or discuss some of the effects that this might have on the Earth's energy budget and the Earth's climate.

Accepted Answer

If the temperature of the sun were to change, it would have a significant impact on the Earth's energy budget and climate. The sun is the primary source of energy for the Earth, and any change in its temperature would alter the amount of solar radiation reaching the Earth.

An increase in the sun's temperature would result in an increase in solar radiation reaching the Earth. This would lead to an overall increase in the Earth's energy budget, potentially causing a rise in global temperatures. This increase in solar radiation could also lead to changes in precipitation patterns, as well as an increase in the frequency and intensity of extreme weather events such as heatwaves and droughts.

Conversely, a decrease in the sun's temperature would result in a decrease in solar radiation reaching the Earth. This would lead to a decrease in the Earth's energy budget, potentially causing a cooling effect on global temperatures. This decrease in solar radiation could also lead to changes in precipitation patterns, as well as a decrease in the frequency and intensity of extreme weather events such as heatwaves and droughts.

Overall, any change in the temperature of the sun would have a direct impact on the Earth's energy budget and climate. It is important to closely monitor the sun's behavior and its impact on the Earth's climate in order to better understand and prepare for any potential changes.

Question 4

Suppose the present concentration of CO2 doubled in 100 years, and climate models predicted a 5oC increase in Earth's average temperature. Which of the following gases must also increase in concentration?

Accepted Answer

A) oxygen 
B) nitrogen 
C) methane 
D) water vapour 
A) oxygen 
B) nitrogen 
C) methane 
D) water vapour

Question 5

As air in the figure below moves from A to B, what will happen to its volume?

Accepted Answer

A) It will increase. 
B) It will decrease. 
C) It will decrease at first, and then increase. 
D) It will remain the same. 
A) It will increase. 
B) It will decrease. 
C) It will decrease at first, and then increase. 
D) It will remain the same.

Question 6

Two objects have the same temperature. Object A feels colder to the touch than object B. Which of the following properties may explain this difference between the two objects?

Accepted Answer

A) latent heat 
B) thermal conductivity 
C) specific heat 
D) density 
A) latent heat 
B) thermal conductivity 
C) specific heat 
D) density

Question 7

Two objects, A and B, have the same mass but the specific heat of A is larger than B. Which of the following scenarios is more likely if both objects absorb equal amounts of energy?

Accepted Answer

A) A will become warmer than B. 
B) A will get warmer, but B will get colder. 
C) Both A and B will warm at the same rate. 
D) B will become warmer than A. 
A) A will become warmer than B. 
B) A will get warmer, but B will get colder. 
C) Both A and B will warm at the same rate. 
D) B will become warmer than A.

Question 8

If frost was predicted in a region of citrus crops why would it be advisable to sprinkle the crops with water before the expected frost?

Accepted Answer

Sprinkling citrus crops with water befor

Question 9

Which of the following is the term often used to describe the form of radiation emitted by the sun?

Accepted Answer

A) microwave 
B) shortwave 
C) gamma 
D) longwave 
A) microwave 
B) shortwave 
C) gamma 
D) longwave

Question 10

Which of the following statements best describes why holes develop in snow around tree trunks?

Accepted Answer

A) Snow is a poor absorber of visible light. 
B) Snow is a poor reflector of visible light. 
C) Snow is a good absorber of infrared energy. 
D) Snow is a good emitter of infrared energy. 
A) Snow is a poor absorber of visible light. 
B) Snow is a poor reflector of visible light. 
C) Snow is a good absorber of infrared energy. 
D) Snow is a good emitter of infrared energy.

Question 11

Which of the following terms refers to the change of state of water from a liquid to a vapour?

Accepted Answer

A) condensation 
B) evaporation 
C) freezing 
D) sublimation 
A) condensation 
B) evaporation 
C) freezing 
D) sublimation

Question 12

On a sunny day in winter when there is a large snowpack on the ground you notice it appears brighter outside than on a sunny day when there is no snow on the ground. What best explains this scenario?

Accepted Answer

A) Snow has a higher albedo than bare ground and reflects more solar radiation. 
B) The sun emits more solar radiation in the winter months. 
C) Snow emits more infrared radiation than bare ground. 
D) The sun emits more ultraviolet radiation in the winter months. 
A) Snow has a higher albedo than bare ground and reflects more solar radiation. 
B) The sun emits more solar radiation in the winter months. 
C) Snow emits more infrared radiation than bare ground. 
D) The sun emits more ultraviolet radiation in the winter months.

Question 13

According to Wien's displacement law, which of the following expressions describes the wavelength at which maximum radiation occurs?

Accepted Answer

A) The wavelength is inversely proportional to the temperature. 
B) The wavelength is proportional to the pressure. 
C) The wavelength is proportional to the temperature. 
D) The wavelength is inversely proportional to the pressure. 
A) The wavelength is inversely proportional to the temperature. 
B) The wavelength is proportional to the pressure. 
C) The wavelength is proportional to the temperature. 
D) The wavelength is inversely proportional to the pressure.

Question 14

Which of the following statements describes the relation between low clouds at night and the atmospheric greenhouse effect?

Accepted Answer

A) They weaken the atmospheric greenhouse effect. 
B) They are caused by the atmospheric greenhouse effect. 
C) They enhance the atmospheric greenhouse effect. 
D) They have no effect on the atmospheric greenhouse effect. 
A) They weaken the atmospheric greenhouse effect. 
B) They are caused by the atmospheric greenhouse effect. 
C) They enhance the atmospheric greenhouse effect. 
D) They have no effect on the atmospheric greenhouse effect.

Question 15

Suppose the absolute temperature of an object doubles. By which of the following factors will the maximum energy emitted increase?

Accepted Answer

A) 16 
B) 4 
C) 2 
D) 8 
A) 16 
B) 4 
C) 2 
D) 8

Question 16

As you walk across a sandy beach on a summer day, the bottoms of your feet become extremely hot. This is an example of which type of heat transfer?

Accepted Answer

A) radiation 
B) ultrasonic 
C) conduction 
D) convection 
A) radiation 
B) ultrasonic 
C) conduction 
D) convection

Question 17

Many people will blow on a bowl of hot soup to try to cool it. In your view, what are the two most important processes of heat transport being used to cool the soup?

Accepted Answer

The two most important processes of heat

Question 18

When you touch a wooden chair and a glass table top in the same room, the glass feels cooler. Why?

Accepted Answer

A) The chair is warmer. 
B) Glass has a higher specific heat than wood. 
C) Latent heat is being transferred from the glass to your skin. 
D) Glass is a better conductor of heat than wood. 
A) The chair is warmer. 
B) Glass has a higher specific heat than wood. 
C) Latent heat is being transferred from the glass to your skin. 
D) Glass is a better conductor of heat than wood.

Question 19

Which of the following is the poorest conductor of heat?

Accepted Answer

A) soil 
B) water 
C) snow 
D) still air 
A) soil 
B) water 
C) snow 
D) still air

Question 20

Which of the following processes occurs when sinking air warms?

Accepted Answer

A) expansion 
B) compression 
C) friction 
D) condensation 
A) expansion 
B) compression 
C) friction 
D) condensation

Which of the following methods would keep an object cool even when it is exposed to direct sunlight?

As air in the figure above moves from A to B, what will happen to its density?

Imagine that the temperature of the sun changed. Describe or discuss some of the effects that this might have on the Earth's energy budget and the Earth's climate.

Suppose the present concentration of CO₂ doubled in 100 years, and climate models predicted a 5^oC increase in Earth's average temperature. Which of the following gases must also increase in concentration?

As air in the figure below moves from A to B, what will happen to its volume?

Two objects have the same temperature. Object A feels colder to the touch than object B. Which of the following properties may explain this difference between the two objects?

Two objects, A and B, have the same mass but the specific heat of A is larger than B. Which of the following scenarios is more likely if both objects absorb equal amounts of energy?

If frost was predicted in a region of citrus crops why would it be advisable to sprinkle the crops with water before the expected frost?

Which of the following is the term often used to describe the form of radiation emitted by the sun?

Which of the following statements best describes why holes develop in snow around tree trunks?

Which of the following terms refers to the change of state of water from a liquid to a vapour?

On a sunny day in winter when there is a large snowpack on the ground you notice it appears brighter outside than on a sunny day when there is no snow on the ground. What best explains this scenario?

According to Wien's displacement law, which of the following expressions describes the wavelength at which maximum radiation occurs?

Which of the following statements describes the relation between low clouds at night and the atmospheric greenhouse effect?

Suppose the absolute temperature of an object doubles. By which of the following factors will the maximum energy emitted increase?

As you walk across a sandy beach on a summer day, the bottoms of your feet become extremely hot. This is an example of which type of heat transfer?

Many people will blow on a bowl of hot soup to try to cool it. In your view, what are the two most important processes of heat transport being used to cool the soup?

When you touch a wooden chair and a glass table top in the same room, the glass feels cooler. Why?

Which of the following is the poorest conductor of heat?

Which of the following processes occurs when sinking air warms?

Earth and Its Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation: Dew, Fog, and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind: Small-Scale and Local Systems

Wind: Global Systems

Air Masses and Fronts

Middle-Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters

Exam 2: Energy: Warming Earth and the Atmosphere

Which of the following methods would keep an object cool even when it is exposed to direct sunlight?

As air in the figure above moves from A to B, what will happen to its density?

Imagine that the temperature of the sun changed. Describe or discuss some of the effects that this might have on the Earth's energy budget and the Earth's climate.

Suppose the present concentration of CO2 doubled in 100 years, and climate models predicted a 5oC increase in Earth's average temperature. Which of the following gases must also increase in concentration?

As air in the figure below moves from A to B, what will happen to its volume?

Two objects have the same temperature. Object A feels colder to the touch than object B. Which of the following properties may explain this difference between the two objects?

Two objects, A and B, have the same mass but the specific heat of A is larger than B. Which of the following scenarios is more likely if both objects absorb equal amounts of energy?

If frost was predicted in a region of citrus crops why would it be advisable to sprinkle the crops with water before the expected frost?

Which of the following is the term often used to describe the form of radiation emitted by the sun?

Which of the following statements best describes why holes develop in snow around tree trunks?

Which of the following terms refers to the change of state of water from a liquid to a vapour?

On a sunny day in winter when there is a large snowpack on the ground you notice it appears brighter outside than on a sunny day when there is no snow on the ground. What best explains this scenario?

According to Wien's displacement law, which of the following expressions describes the wavelength at which maximum radiation occurs?

Which of the following statements describes the relation between low clouds at night and the atmospheric greenhouse effect?

Suppose the absolute temperature of an object doubles. By which of the following factors will the maximum energy emitted increase?

As you walk across a sandy beach on a summer day, the bottoms of your feet become extremely hot. This is an example of which type of heat transfer?

Many people will blow on a bowl of hot soup to try to cool it. In your view, what are the two most important processes of heat transport being used to cool the soup?

When you touch a wooden chair and a glass table top in the same room, the glass feels cooler. Why?

Which of the following is the poorest conductor of heat?

Which of the following processes occurs when sinking air warms?

Earth and Its Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation: Dew, Fog, and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind: Small-Scale and Local Systems

Wind: Global Systems

Air Masses and Fronts

Middle-Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters

Suppose the present concentration of CO₂ doubled in 100 years, and climate models predicted a 5^oC increase in Earth's average temperature. Which of the following gases must also increase in concentration?