Glaciers: Explore the Majestic Ice Rivers of the Earth

Question 1

What distinguishes glaciers from other ice formations like ice sheets and sea ice?

Accepted Answer

Movement and ability to erode

Answer

Size and thickness

Answer

Specific location and climate conditions

Answer

Transparency and color

Question 2

What is the process by which glaciers move?

Accepted Answer

Plastic flow

Answer

Sublimation

Answer

Crevassing

Answer

Calving

Question 3

What is a large mass of ice that floats in the ocean?

Accepted Answer

Iceberg

Answer

Ice sheet

Answer

Sea glacier

Answer

Glacier shelf

Question 4

How do human activities affect glaciers, and what are the potential consequences for ecosystems and human communities?

Accepted Answer

Human impact on glaciers can lead to biodiversity loss, disruption of water cycles, and increased vulnerability to natural disasters in affected areas.

Answer

Human activities have no significant impact on glaciers.

Answer

The effects of human activities on glaciers are mainly limited to direct physical interactions, such as ice mining or recreational activities.

Answer

The potential consequences of human impact on glaciers primarily affect ecosystems, with minimal implications for human populations.

Question 5

How do glaciers erode the landscape?

Accepted Answer

Abrasion, Plucking, and Meltwater Erosion

Answer

Attrition and Weathering

Answer

Glacial Deposition

Answer

Glacial Melt

Question 6

What is the name of the area where a glacier originates?

Accepted Answer

Firn line

Answer

Icefall

Answer

Snout

Answer

Crevasse

Question 7

What is the name of the process by which glaciers deposit material?

Accepted Answer

Deposition

Answer

Erosion

Answer

Ablation

Answer

Plastic flow

Question 8

Which of the following is **not** a major impact of glaciers on the landscape?

Accepted Answer

Eruption of volcanoes

Answer

Erosion of valleys

Answer

Formation of moraines

Answer

Creation of fjords

Question 9

Which of the following factors **does not** influence the rate of glacial movement?

Accepted Answer

Amount of rainfall

Answer

Slope of the land

Answer

Temperature

Answer

Mass of the glacier

Question 10

What is the name of the process by which glaciers melt and lose mass?

Accepted Answer

Ablation

Answer

Erosion

Answer

Deposition

Answer

Plucking

Question 11

What is the name of the steep, icy cliffs that form on the edges of glaciers?

Accepted Answer

Seracs

Answer

Crevasses

Answer

Icefalls

Answer

Cirques

Question 12

What is the term for the end point of a glacier?

Accepted Answer

Terminus

Answer

Cirque

Answer

Crevasse

Answer

Icefall

Question 13

What is the primary process by which glaciers move?

Accepted Answer

Plastic deformation

Answer

Erosion

Answer

Meltwater flow

Answer

Sublimation

Question 14

Which of the following features is a result of glacial erosion?

Accepted Answer

U-shaped valley

Answer

Moraine

Answer

Valley glacier

Answer

Ice sheet

Question 15

Which of the following factors does NOT influence the formation of glaciers?

Accepted Answer

Wind speed

Answer

Temperature

Answer

Precipitation

Answer

Elevation

Question 16

What is the name of the process by which glaciers break off and release chunks of ice?

Accepted Answer

Calving

Answer

Sublimation

Answer

Melting

Answer

Erosion

Question 17

Which type of glacier is found in steep, confined mountain valleys?

Accepted Answer

Alpine

Answer

Continental

Answer

Piedmont

Answer

Ice cap

Question 18

Which factor does not affect the speed at which glaciers move?

Accepted Answer

Amount of sunlight it receives

Answer

Temperature

Answer

Slope of the glacier bed

Answer

Thickness of the glacier

Question 19

What is the term for a large block of ice that breaks off from a glacier?

Accepted Answer

Iceberg

Answer

Bergschrund

Answer

Sastrugi

Answer

Nunatak

Question 20

Which of the following is NOT a characteristic of glaciers?

Accepted Answer

Found only in warm regions

Answer

Solid ice mass

Answer

Moving body of ice

Answer

Erodes and deposits material

Question 21

Where are most glaciers found?

Accepted Answer

In mountainous areas

Answer

At sea level

Answer

In deserts

Answer

At the equator

Question 22

What causes glaciers to move?

Accepted Answer

Gravity

Answer

Melting and refreezing

Answer

Wind

Answer

Tidal forces

Question 23

Which of the following is a feature created by glaciers?

Accepted Answer

Moraine

Answer

Sand dune

Answer

Volcano

Answer

Canyon

Question 24

What is a crevasse?

Accepted Answer

A deep crack in a glacier

Answer

A type of glacial landform

Answer

A tool used to study glaciers

Answer

A type of glacier movement

Question 25

How do glaciers contribute to the water cycle?

Accepted Answer

They store large amounts of freshwater.

Answer

They have no impact on the global water supply.

Answer

Their meltwater only benefits local water resources.

Answer

They always provide a reliable source of water.

Question 26

What is the process by which glaciers are formed?

Accepted Answer

As snow accumulates and compresses over time and turns into ice

Answer

When water condenses and freezes on the surface of the Earth

Answer

Through the sublimation of water vapor directly into ice

Answer

By the evaporation of water from the surface of the ice

Question 27

What type of rock is most commonly found in moraines?

Accepted Answer

Sedimentary rocks carried and deposited by glaciers

Answer

Igneous rocks formed from cooled magma or lava

Answer

Metamorphic rocks changed by heat and pressure deep in the Earth

Answer

Glacial rocks formed specifically from glacier activity

Question 28

Which of the following is a characteristic of ice caps?

Accepted Answer

Covering large areas of land and having a dome-shaped profile

Answer

Located on mountain peaks and moving slowly

Answer

Having deep crevasses and moving quickly

Answer

Being smaller than ice sheets and covering only coastal areas

Question 29

What is the name of the process by which glaciers erode the bedrock beneath them?

Accepted Answer

Abrasion: Scraping and grinding of rocks by glacier movement

Answer

Plucking: Removal of rocks by the freezing and thawing of water

Answer

Weathering: Breakdown of rocks by exposure to the elements

Answer

Erosion: General wearing away of the land by natural processes

Question 30

What is the term for a deep valley carved by a glacier?

Accepted Answer

Trough: A U-shaped valley with steep sides and a flat bottom

Answer

Fiord: A steep-sided, narrow inlet created by glacial erosion

Answer

Cirque: A bowl-shaped depression on a mountainside formed by a glacier

Answer

Arête: A sharp ridge formed by the erosion of two glaciers

Question 31

Which of the following is the primary factor influencing the movement of glaciers?

Accepted Answer

Gravity pulling the glacier down slopes

Answer

Wind pushing the glacier in a certain direction

Answer

Temperature changes melting and refreezing the glacier

Answer

Water pressure beneath the glacier

Question 32

One positive impact of glaciers on the environment is:

Accepted Answer

Creation of freshwater lakes

Answer

Erosion of soil

Answer

Release of harmful gases

Answer

Flooding

Question 33

In which locations are glaciers most often found?

Accepted Answer

Polar regions and high mountain ranges

Answer

Deserts

Answer

Tropical rainforests

Answer

Coastal areas

Question 34

What is the primary process by which glaciers move?

Accepted Answer

Plastic deformation

Answer

Erosion

Answer

Sublimation

Answer

Melting

Question 35

How do glaciers contribute to the formation of fjords?

Accepted Answer

By eroding and deepening river valleys below sea level

Answer

By creating moraines that block rivers

Answer

By melting and flooding coastal areas

Answer

By depositing sediment in river mouths

Question 36

What is the term for the line that marks the end of a glacier?

Accepted Answer

Terminus

Answer

Serac

Answer

Arête

Answer

Crevasse

Question 37

What is the name of the process by which glaciers lose mass through melting and evaporation?

Accepted Answer

Ablation

Answer

Accumulation

Answer

Sublimation

Answer

Calving

Question 38

What is the dominant process involved in glacial movement?

Accepted Answer

Plastic flow

Answer

Sublimation

Answer

Avalanche

Answer

Abrasion

Question 39

Which hazard is directly associated with glaciers?

Accepted Answer

Glacial outburst floods

Answer

Droughts

Answer

Tsunamis

Question 40

What is the term for the boundary that separates a glacier's accumulation and ablation zones?

Accepted Answer

Equilibrium line

Answer

Snout

Answer

Margin

Answer

Crevasse

Question 41

Which of these processes is **least** important for forming a glacier?

Accepted Answer

Sublimation

Answer

Accumulation of snow

Answer

Recrystallization

Answer

Compaction of snow

Question 42

A glacier is considered 'advancing' when...

Accepted Answer

It's moving downhill faster than it melts.

Answer

Its surface melts quickly.

Answer

It breaks off from a larger ice sheet.

Answer

It stops receiving new snowfall.

Question 43

Which of these landforms is NOT formed by glacial erosion?

Accepted Answer

Sand dune

Answer

U-shaped valley

Answer

Arête (sharp ridge)

Answer

Cirque (bowl-shaped valley)

Question 44

What is a moraine?

Accepted Answer

A pile of rocks and dirt left behind by a glacier.

Answer

A lake formed by melted glacial ice.

Answer

A deep crack in the surface of a glacier.

Question 45

How do glaciers help the Earth's water cycle?

Accepted Answer

They store freshwater and release it slowly as they melt.

Answer

They make the ocean saltier by eroding rocks.

Answer

They help clouds form by quickly evaporating water.

Question 46

What is a major effect of climate change on glaciers?

Accepted Answer

Glaciers are melting and shrinking around the world.

Answer

Climate change has no noticeable effect on glaciers.

Answer

Climate change causes more snowfall, making glaciers grow.

Question 47

Why is glacial ice usually blue?

Accepted Answer

It absorbs most colors except blue, which it reflects.

Answer

It reflects the color of the sky because it's smooth.

Answer

Minerals and dirt in the ice make it blue.

Question 48

A fjord is a valley carved by...

Accepted Answer

A glacier that has melted or moved away.

Answer

River erosion over a long time.

Answer

Wind erosion in deserts.

Answer

Volcanoes and lava flows.

Question 49

What's the main difference between a glacier and an ice sheet?

Accepted Answer

Glaciers flow downhill, but ice sheets don't.

Answer

Glaciers are only high up, but ice sheets are at sea level.

Answer

Glaciers are made of freshwater, but ice sheets are made of saltwater.

Question 50

Why are scientists worried about glaciers melting?

Accepted Answer

It raises sea levels and can disrupt water supplies for people.

Answer

It gives us more freshwater to drink.

Answer

It has no big impact on the environment or people.