Weather & Climate TEST REVIEW (Unit 8)

Which factors are causes of short-term climate change?

• changes in wind and ocean currents

• an increase of thunderstorms and rain

• changes in daily wind shifts and snowfall

• an increase of hurricanes and volcanic eruptions

How does La Niña affect the climate of the Pacific Ocean?

• The ocean becomes cooler.

• The warm water moves toward the east.

• The cold water sinks deeper into the ocean.

• The strength of the prevailing winds decreases.

Which correctly lists three greenhouse gases?

• oxygen, carbon dioxide, helium

• carbon dioxide, nitrous oxide, methane

• helium, methane, oxygen

• methane, oxygen, carbon dioxide

Which substance is a greenhouse gas that is emitted by human activities, is the most widespread, and remains in the air the longest?

• water vapor

• methane

• fluorinated gas

• carbon dioxide

What statement is accurate based on the study of tree rings?

• Trees near the arctic will have thicker rings than those near the equator.

• Trees with a pattern of thin rings indicate a wet, warm climate.

• Size and density of tree rings can give information on past climates.

• The number of rings indicate how much fruit the tree can bear.

How do scientists use ice to study ancient climates?

• through glacial deposits and ice cores

• through glacial deposits and ice ages

• through ice cores and and Earth’s ellipse

• through Earth’s ellipse and ice ages

Which substance may lower air temperatures after a volcanic eruption?

• lava

• sulfur dioxide

• carbon dioxidde

• water vapor

What happens when volcanoes release greenhouse gases into the atmosphere?

• The climate gets warmer.

• The climate gets cooler

• winter becomes longer

• summer becomes longer

Which correctly lists the three factors that are used to classify the six major climate regions?

• vegetation, geographical locations, temperature

• temperature, land formations, precipitation

• precipitation, temperature, vegetation

• land formations, vegetation, geographical locations

Which feature do highland climates have that lower elevation areas do not?

• a tundra where there are no trees

• a treeline beyond which trees do not grow

• permafrost, or a part of the ground that is permanently frozen

• an ice cap, or a permanent cover of ice and snow