Atmosfera

Question 1

What is the definition of the atmosphere?

Answer 1

The atmosphere is the layer of gases surrounding a planet.

Question 2

True or False: The atmosphere is composed only of oxygen.

Answer 2

False

Question 3

What are the primary gases that make up Earth’s atmosphere?

Answer 3

Nitrogen (78%), Oxygen (21%), Argon (0.93%), and Carbon Dioxide (0.04%).

Question 4

Fill in the blank: The atmosphere protects life on Earth by filtering _____ from the sun.

Answer 4

ultraviolet radiation

Question 5

What is the troposphere?

Answer 5

The lowest layer of Earth’s atmosphere where weather occurs.

Question 6

What layer of the atmosphere is located above the troposphere?

Answer 6

Stratosphere

Question 7

Multiple Choice: Which layer of the atmosphere contains the ozone layer? A) Troposphere B) Stratosphere C) Mesosphere D) Thermosphere

Answer 7

B) Stratosphere

Question 8

What is the primary function of the ozone layer?

Answer 8

To absorb the majority of the sun’s harmful ultraviolet radiation.

Question 9

True or False: The mesosphere is the hottest layer of the atmosphere.

Answer 9

False

Question 10

What phenomenon occurs in the thermosphere?

Answer 10

Auroras or northern and southern lights.

Question 11

Fill in the blank: The exosphere is the _____ layer of the atmosphere.

Answer 11

outermost

Question 12

What is atmospheric pressure?

Answer 12

The force exerted by the weight of the atmosphere above a given point.

Question 13

Multiple Choice: At what altitude does the stratosphere begin? A) 5 km B) 10 km C) 15 km D) 20 km

Answer 13

B) 10 km

Question 14

What is the significance of the greenhouse effect?

Answer 14

It helps maintain Earth’s temperature by trapping heat in the atmosphere.

Question 15

True or False: Carbon dioxide is a greenhouse gas.

Answer 15

True

Question 16

What is the primary cause of atmospheric circulation?

Answer 16

The uneven heating of the Earth’s surface by the sun.

Question 17

Fill in the blank: Winds are caused by differences in _____ and pressure in the atmosphere.

Answer 17

temperature

Question 18

What is the role of the atmosphere in the water cycle?

Answer 18

It facilitates the evaporation and precipitation of water.

Question 19

Multiple Choice: Which gas is most abundant in the atmosphere? A) Oxygen B) Nitrogen C) Carbon Dioxide D) Argon

Answer 19

B) Nitrogen

Question 20

What is a thermal inversion?

Answer 20

A weather phenomenon where a layer of warm air traps cooler air near the ground.

Question 21

True or False: The atmosphere’s composition is constant and does not change.

Answer 21

False

Question 22

What is the primary source of the Earth’s atmospheric oxygen?

Answer 22

Photosynthesis by plants.

Question 23

Fill in the blank: The _____ is the layer of the atmosphere where most commercial air traffic occurs.

Answer 23

troposphere

Question 24

What is the ionosphere?

Answer 24

A region of the atmosphere that is ionized by solar and cosmic radiation.

Question 25

Multiple Choice: Which layer of the atmosphere is characterized by decreasing temperatures with altitude? A) Troposphere B) Stratosphere C) Mesosphere D) Thermosphere

Answer 25

C) Mesosphere

Question 26

What is the main reason for the seasonal changes in weather?

Answer 26

The tilt of the Earth's axis as it orbits the sun.