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Review - Unit 1 AOS 1 Chapter 2 Earth systems thinking

Total questions: 75

Worksheet time: 53mins

Name
Class
Date
1.

The natural interactions between Earth's four systems: the atmosphere, biosphere, hydrosphere, and lithosphere, support and are affected by the movement of energy and matter within and between local and global ecosystems. Which of the following best describes these interactions?

a)

They operate independently without affecting each other.

b)

They are interconnected and influence each other.

c)

They only interact during natural disasters.

d)

They are solely dependent on human activities.

2.

What is systems thinking in the context of environmental systems?

a)

Identifying inputs and outputs

b)

Exploring relationships

c)

Representation of local systems

d)

All of the above.

3.

The biosphere is best described as:

a)

the global sum of all ecosystems.

b)

a single ecosystem in a specific region.

c)

the atmosphere surrounding the Earth.

d)

the water bodies on Earth.

4.

The hydrosphere includes all water on Earth. What role does groundwater play in the hydrosphere?

a)

It is a major source of freshwater for human use.

b)

It is primarily found in oceans and seas.

c)

It is not part of the hydrosphere.

d)

It only exists in the form of ice.

5.

The lithosphere is best described as:

a)

the rigid outer layer of the Earth, consisting of the crust and upper mantle

b)

the liquid layer of the Earth's core

c)

the gaseous layer surrounding the Earth

d)

the innermost layer of the Earth

6.

Which of the following describes the properties of several soil types?

a)

Sandy soil is gritty and drains quickly, clay soil is sticky and retains water, and loamy soil is a mix of sand, silt, and clay.

b)

Sandy soil is sticky and retains water, clay soil is gritty and drains quickly, and loamy soil is only made of clay.

c)

Sandy soil is a mix of sand, silt, and clay, clay soil is gritty and drains quickly, and loamy soil is sticky and retains water.

d)

Sandy soil is only made of clay, clay soil is a mix of sand, silt, and clay, and loamy soil is gritty and drains quickly.

7.

The atmosphere is composed of several layers. Which of the following is the correct order of these layers from the Earth's surface upwards?

a)

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

b)

Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere

c)

Mesosphere, Troposphere, Stratosphere, Thermosphere, Exosphere

d)

Exosphere, Thermosphere, Mesosphere, Stratosphere, Troposphere

8.

The four spheres interact in various ways. Which of the following is an example of such interaction?

a)

The atmosphere provides oxygen for animals to breathe.

b)

The hydrosphere is completely independent of the biosphere.

c)

The geosphere does not affect the atmosphere.

d)

The biosphere and hydrosphere do not interact.

9.

What forms the biosphere?

4 lines
10.

Where are all organisms on Earth found?

a)

Biosphere

b)

Atmosphere

c)

Lithosphere

d)

Hydrosphere

11.

How thick is the layer of the biosphere?

a)

10 km

b)

20 km

c)

30 km

d)

40 km

12.

What components make up the biosphere?

4 lines
13.

What percentage of the Earth's surface is covered by water?

a)

50%

b)

60%

c)

70%

d)

80%

14.

What percentage of Earth's total water is salt water?

a)

97%

b)

50%

c)

30%

d)

10%

15.

Which of the following makes up the largest portion of freshwater on Earth?

a)

Groundwater

b)

Icecaps and glaciers

c)

Surface water

d)

Rivers

16.

What percentage of the human body is made up of water?

a)

50%

b)

60%

c)

70%

d)

80%

17.

Which part of the human body contains 70% water?

4 lines
18.

What is the water content percentage in the lungs?

a)

70%

b)

60%

c)

80%

d)

90%

19.

Which part of the human body has 82% water content?

4 lines
20.

What percentage of water is found in human skin?

a)

60%

b)

50%

c)

70%

d)

80%

21.

How much water is present in human muscles?

a)

70%

b)

50%

c)

30%

d)

10%

22.

What is the percentage of water in human bones?

a)

25%

b)

31%

c)

50%

d)

60%

23.

The number and types of life forms found in aquatic environments are determined by:

a)

water temperature, salinity, and light availability

b)

the presence of terrestrial predators

c)

the altitude of the surrounding land

d)

the color of the water

24.

Which of the following factors affect aquatic life?

a)

Depth

b)

Temperature

c)

Salinity

d)

All of the above

25.

What is constantly moving between the atmosphere, soil, rocks, plants, animals, and water bodies?

a)

Water cycle

b)

Carbon cycle

c)

Nitrogen cycle

d)

Phosphorus cycle

26.

The oceans and large lakes have a major effect on our ________.

a)

climate

b)

diet

c)

technology

d)

architecture

27.

Frozen water is less dense than liquid water because:

a)

the hydrogen bonds in ice are more stable and form a lattice structure, creating more space between molecules.

b)

the hydrogen bonds in ice are less stable and form a lattice structure, creating more space between molecules.

c)

the hydrogen bonds in ice are more stable and form a compact structure, reducing space between molecules.

d)

the hydrogen bonds in ice are less stable and form a compact structure, reducing space between molecules.

28.

Light will only pass through water to a limited depth. True or False?

a)

True

b)

False

29.

What is the maximum depth at which plant life is supported in water if the water is not clear?

a)

10 meters

b)

20 meters

c)

30 meters

d)

40 meters

30.

Groundwater is located in which of the following?

a)

In rivers and lakes

b)

In the atmosphere

c)

In underground aquifers

d)

In glaciers

31.

Which is the largest aquifer of its kind in the world?

a)

Ogallala Aquifer

b)

Great Artesian Basin

c)

Guarani Aquifer

d)

Nubian Sandstone Aquifer System

32.

What fraction of our total water consumption comes from groundwater?

a)

10%

b)

20%

c)

30%

d)

40%

33.

Groundwater plays a crucial role in sustaining rivers and streams by:

a)

providing a continuous source of water during dry periods

b)

only contributing to water flow during rainy seasons

c)

having no impact on river and stream flow

d)

causing rivers and streams to dry up

34.

What type of aquifer is represented by the green color on the map?

a)

A) Fractured or fissured; extensive aquifers of low to moderate productivity

b)

B) Fractured or fissured; extensive, highly productive aquifers

c)

C) Local aquifers; generally of low productivity

d)

D) Porous; extensive aquifers of low to moderate productivity.

35.

Which color on the map represents local aquifers with generally low productivity?

a)

Green

b)

Dark Green

c)

Brown

d)

Blue

36.

Fill in the blank: The blue color on the map indicates porous, extensive aquifers of _______ productivity.

a)

low to moderate

b)

high

c)

very high

d)

extremely low

37.

What does the dark green color on the map signify?

a)

A) Fractured or fissured; extensive aquifers of low to moderate productivity

b)

B) Fractured or fissured; extensive, highly productive aquifers

c)

C) Local aquifers; generally of low productivity

d)

D) Porous; extensive aquifers of low to moderate productivity.

38.

Fill in the blank: The light blue color on the map represents porous, extensive, _______ productive aquifers.

a)

highly

b)

barely

c)

moderately

d)

slightly

39.

What is the outermost solid layer of the Earth called?

a)

Asthenosphere

b)

Lithosphere

c)

Inner Core

d)

Outer Core

40.

The lithosphere includes the crust and the upper portion of the _______.

a)

mantle

b)

core

c)

ocean

d)

atmosphere

41.

How thick is the lithosphere?

a)

50km

b)

100km

c)

150km

d)

200km

42.

What is the atmosphere?

a)

A layer of gases surrounding a planet

b)

A type of weather pattern

c)

A type of ecosystem

d)

A type of ocean current

43.

Which layer of the atmosphere contains all our weather?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

44.

What is the order of the layers of the atmosphere from the Earth's surface upwards?

a)

The layers of the atmosphere from the Earth's surface upwards are: Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.

b)

The layers of the atmosphere from the Earth's surface upwards are: Stratosphere, Troposphere, Mesosphere, Thermosphere, and Exosphere.

c)

The layers of the atmosphere from the Earth's surface upwards are: Mesosphere, Troposphere, Stratosphere, Thermosphere, and Exosphere.

d)

The layers of the atmosphere from the Earth's surface upwards are: Thermosphere, Troposphere, Stratosphere, Mesosphere, and Exosphere.

45.

Which layer of the atmosphere is where our atmosphere fades away into space?

a)

Exosphere

b)

Troposphere

c)

Stratosphere

d)

Mesosphere

46.

Which of the following is not a layer of the Earth's atmosphere?

a)

A) Troposphere

b)

B) Stratosphere

c)

C) Lithosphere

d)

D) Mesosphere

47.

What is the most abundant gas in the Earth's atmosphere?

a)

Oxygen

b)

Nitrogen

c)

Argon

d)

Carbon dioxide

48.

What percentage of the Earth's atmosphere is composed of oxygen?

a)

78.08%

b)

20.95%

c)

0.93%

d)

0.038%

49.

The layer of the atmosphere where meteors are observed is called the ________.

a)

Mesosphere

b)

Troposphere

c)

Stratosphere

d)

Thermosphere

50.

Fill in the blank: The ________ is the atmospheric layer closest to Earth's surface.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Exosphere

51.

Which atmospheric layer is known for containing the ozone maximum?

a)

A) Troposphere

b)

B) Stratosphere

c)

C) Mesosphere

d)

D) Thermosphere

52.

In the troposphere, what form does solar radiation take?

4 lines
53.

What happens to the air in the troposphere by late afternoon?

a)

It becomes warmer and rises.

b)

It becomes cooler and sinks.

c)

It remains the same temperature.

d)

It becomes more humid.

54.

Warm air rises in the troposphere because:

a)

it is denser than cold air.

b)

it is less dense than cold air.

c)

it has more moisture than cold air.

d)

it is heavier than cold air.

55.

What are convection currents responsible for in the troposphere?

a)

Weather patterns

b)

Ocean currents

c)

Mountain formation

d)

Volcanic eruptions

56.

Pollutant gases remain close to the Earth's surface on cold, clear nights because:

a)

the air is warmer and rises, trapping pollutants near the surface.

b)

the air is cooler and denser, preventing pollutants from rising.

c)

there is more wind to disperse the pollutants.

d)

the pollutants are heavier than air and naturally settle.

57.

What form of solar radiation is present in the stratosphere?

a)

Infrared radiation

b)

Ultraviolet radiation

c)

Microwave radiation

d)

Visible light

58.

The upper stratosphere contains the _________.

a)

ozone layer

b)

carbon dioxide

c)

water vapor

d)

nitrogen

59.

How does the stratosphere act on the atmosphere?

a)

It warms the atmosphere

b)

It acts like a lid

c)

It cools the atmosphere

d)

It mixes the air

60.

Ozone (O3) is formed in the atmosphere by the reaction of:

a)

oxygen molecules (O2) with ultraviolet (UV) light

b)

carbon dioxide (CO2) with sunlight

c)

nitrogen (N2) with oxygen (O2)

d)

water vapor (H2O) with sunlight

61.

The ozone layer traps which type of radiation?

a)

Ultraviolet radiation

b)

Infrared radiation

c)

Microwave radiation

d)

Gamma radiation

62.

The ozone layer absorbs what percentage of UV light?

a)

50%

b)

70%

c)

90%

d)

100%

63.

What breaks down the ozone layer?

4 lines
64.

The role of CFCs in the ozone layer is to:

a)

deplete the ozone layer

b)

repair the ozone layer

c)

have no effect on the ozone layer

d)

increase the ozone layer

65.

The hole in the ozone layer is a region of exceptionally depleted ozone in the stratosphere over the ________.

a)

Antarctic

b)

Arctic

c)

Equator

d)

Tropics

66.

True or False: The ozone hole is technically a 'hole' where no ozone is present.

a)

True

b)

False

67.

What type of energy does the top layer of the thermosphere absorb?

a)

Gamma rays and x-rays

b)

Ultraviolet rays

c)

Infrared rays

d)

Visible light

68.

The lower part of the thermosphere contains a layer of ________ air.

a)

ionised

b)

non-ionised

c)

neutral

d)

compressed

69.

What natural phenomena are produced by the ions in the thermosphere?

a)

Thunderstorms

b)

Aurora borealis and aurora australis

c)

Hurricanes

d)

Tornadoes

70.

The thermosphere reflects long-wavelength radio waves back into space and short-wavelength radio signals back to ________.

a)

Earth

b)

the Moon

c)

the Sun

d)

Mars

71.

What is the main difference between weather and climate?

a)

A) Weather is the average weather conditions over many years, while climate is the day-to-day changes in the atmosphere.

b)

B) Weather is the day-to-day changes in the atmosphere, while climate is the average weather conditions over many years.

c)

C) Weather and climate are the same.

72.

Fill in the blank: Weather refers to the conditions of the atmosphere over a short period of time, while climate refers to how the atmosphere behaves over a ______ period of time and space.

a)

long

b)

short

c)

medium

d)

variable

73.

How does solar radiation affect the hydrosphere?

a)

It cools down the hydrosphere

b)

It heats up the hydrosphere

c)

It has no effect on the hydrosphere

d)

It freezes the hydrosphere

74.

Oceans are slow to heat up and slow to cool down, which affects air temperature. They can cool the air by day and ______ it at night.

a)

warm

b)

freeze

c)

evaporate

d)

condense

75.

What creates currents and winds on Earth?

a)

The rotation of the Earth

b)

The uneven heating of the globe

c)

The gravitational pull of the moon

d)

The Earth's magnetic field