6. convection occurs when...
a. heat moves by touch
b. heat moves by waves
c. warm air rises and cool air sinks
d. air pressure increases with height

7. a radiosonde is used to...
a. track hurricanes
b. collect upper - air data using a weather balloon
c. measure earthquakes
d. detect the ozone layer

8. low pressure systems usually bring...
a. clear skies
b. stormy/cloudy weather
c. very cold temperatures
d. ozone depletion

9. high pressure systems bring...
a. cloudy weather
b. storms
c. clear skies and sinking air
d. warm ocean water

10. air pressure is...
a. the speed of moving air
b. the force of air above a given area
c. the temperature of the atmosphere
d. the percentage of gases in the air

section 2 — short answer
11. why does air pressure decrease as altitude increases?
(short answer)

12. describe one difference between conduction, convection, and radiation.
(short answer)

Question

6. convection occurs when...
a. heat moves by touch
b. heat moves by waves
c. warm air rises and cool air sinks
d. air pressure increases with height

7. a radiosonde is used to...
a. track hurricanes
b. collect upper - air data using a weather balloon
c. measure earthquakes
d. detect the ozone layer

8. low pressure systems usually bring...
a. clear skies
b. stormy/cloudy weather
c. very cold temperatures
d. ozone depletion

9. high pressure systems bring...
a. cloudy weather
b. storms
c. clear skies and sinking air
d. warm ocean water

10. air pressure is...
a. the speed of moving air
b. the force of air above a given area
c. the temperature of the atmosphere
d. the percentage of gases in the air

section 2 — short answer
11. why does air pressure decrease as altitude increases?
(short answer)

12. describe one difference between conduction, convection, and radiation.
(short answer)

Accepted Answer

# 6.
## Brief Explanations:
Convection is the transfer of heat by the movement of fluids (liquids or gases). Warm air is less dense and rises, while cool air is denser and sinks, creating a convection current. Option A is conduction (heat transfer by touch), Option B is radiation (heat transfer by waves), and Option D is incorrect as air pressure decreases with height.
# Answer:
C. Warm air rises and cool air sinks

# 7.
## Brief Explanations:
A radiosonde is an instrument attached to a weather balloon. As the balloon ascends through the atmosphere, the radiosonde measures and transmits data such as temperature, humidity, and pressure from the upper - air. Option A: Hurricanes are tracked by other methods like satellites and radar. Option C: Seismographs measure earthquakes. Option D: Other specialized instruments detect the ozone layer.
# Answer:
B. Collect upper - air data using a weather balloon

# 8.
## Brief Explanations:
In a low - pressure system, air rises. As air rises, it cools and condenses, forming clouds. This often leads to stormy weather. High - pressure systems are associated with clear skies (Option A). Option C: Cold temperatures can be due to other factors. Option D: Ozone depletion is related to chemical reactions, not low - pressure systems.
# Answer:
B. Stormy/cloudy weather

# 9.
## Brief Explanations:
In a high - pressure system, air sinks. Sinking air warms and suppresses cloud formation, resulting in clear skies. Option A: Cloudy weather is more common in low - pressure systems. Option B: Storms are associated with low - pressure. Option D: Warm ocean water is related to other ocean - atmosphere interactions, not high - pressure systems directly.
# Answer:
C. Clear skies and sinking air

# 10.
## Brief Explanations:
Air pressure is defined as the force exerted by the weight of air above a given area. Option A: The speed of moving air is wind speed. Option C: Temperature is a different atmospheric property. Option D: The percentage of gases is related to composition, not pressure.
# Answer:
B. The force of air above a given area

# 11.
## Brief Explanations:
As altitude increases, there is less air above a given point. Since air pressure is the force exerted by the weight of air, with less air (lower mass) above, the weight (and thus the pressure) decreases.
# Answer:
As altitude increases, there is less air above a location. Air pressure is the force from the weight of air. With less air (lower mass) above, the weight (and pressure) is less.

# 12.
## Brief Explanations:
Conduction requires direct contact between materials (e.g., heat transfer through a metal rod). Convection involves the movement of fluids (e.g., warm air rising). Radiation transfers heat in the form of electromagnetic waves (e.g., heat from the Sun reaching the Earth).
# Answer:
Conduction: heat transfer by direct contact. Convection: heat transfer by fluid movement. Radiation: heat transfer by electromagnetic waves. (One difference could be the medium - conduction needs contact, convection needs fluid flow, radiation needs no medium)

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QUESTION IMAGE

Question

Explanation:

6.

Answer:

7.