CSET CSET Science: Earth and Space Sciences 2

Question 1

Which layer of Earth's atmosphere contains the ozone layer?

Accepted Answer

Stratosphere

Answer

Troposphere

Answer

Mesosphere

Answer

Thermosphere

Question 2

What primarily drives the formation of trade winds in the tropics?

Accepted Answer

The Coriolis effect combined with equator-to-pole temperature differences

Answer

Ocean currents and tidal gravitational forces

Answer

Volcanic outgassing and atmospheric pressure changes

Answer

Lunar gravitational pull on the atmosphere

Question 3

Which greenhouse gas has increased most dramatically due to human activities since the Industrial Revolution?

Accepted Answer

Carbon dioxide

Answer

Water vapor

Answer

Methane

Answer

Nitrous oxide

Question 4

What causes Earth to have seasons?

Accepted Answer

The 23.5° tilt of Earth's axis relative to its orbital plane

Answer

Earth's varying distance from the Sun during its elliptical orbit

Answer

Variations in the Sun's energy output throughout the year

Answer

Changes in Earth's rotational speed across seasons

Question 5

A cold front is best described as which of the following?

Accepted Answer

A cold, dense air mass that advances and displaces a warm air mass

Answer

A warm air mass that slides under a cold air mass

Answer

Two air masses of equal temperature converging at a boundary

Answer

A stationary high-pressure system that stalls over a region

Question 6

Which factors most strongly determine the long-term climate of a region?

Accepted Answer

Latitude and proximity to large bodies of water

Answer

Daily weather patterns and short-term precipitation events

Answer

Monthly temperature averages and seasonal precipitation totals

Answer

Prevailing wind direction and barometric pressure trends

Question 7

The El Niño phenomenon is characterized by which of the following?

Accepted Answer

Weakening of trade winds and anomalous warming of central and eastern Pacific waters

Answer

Unusually cold sea surface temperatures in the central Pacific

Answer

Strengthening of trade winds and cooling of the eastern Pacific Ocean

Answer

Increased volcanic activity along the Pacific Ring of Fire