What are grasslands mostly made of?

Large open areas covered mainly in grass.

A large area with similar climate, plants, and animals.

What is an intertidal zone?

The area between high and low tide along the shore.

What is diffusion in water systems?

The movement of substances from high to low concentration.

What are coastal zones?

Areas where land meets the ocean.

What does shrink mean?

To become smaller in size or amount.

What is precipitation?

Water that falls from the sky as rain, snow, sleet, or hail.

What does plunge mean?

To decrease suddenly and steeply.

What are aquatic life zones?

Water-based environments where different species live.

What happens during condensation?

Water vapor cools and changes into liquid droplets.

What are heavy metals in the context of water pollution?

Toxic metals like lead and mercury that contaminate water.

Where is groundwater stored?

In underground layers of rock and soil.

How does agriculture affect water quality?

It can introduce fertilisers and pesticides into water sources.

What are coral reefs?

Underwater ecosystems made of coral structures, supporting marine life.

What is the imperial system?

A system using units like inches, feet, and pounds.

What happens during evaporation?

Water changes from a liquid to a gas.

What does deoxygenation mean in a water system?

The loss of dissolved oxygen in water.

What is the main characteristic of the tundra biome?

A cold, treeless landscape with frozen soil (permafrost).

What is the metric system?

A measurement system based on multiples of 10.

What problem can algae cause in water systems?

Excessive growth can lead to oxygen depletion.

What does expand mean?

To become larger or grow in size.

What is the open sea?

The deep, vast ocean beyond the coastal zones.

What is eutrophication?

Excess nutrients in water leading to algae growth and oxygen loss.

What is non-point source pollution?

Pollution from multiple, scattered sources like runoff.

Used or contaminated water that requires treatment.

Water that contains high amounts of dissolved salt, like oceans.

What does skyrocket mean?

To increase very quickly and dramatically.

What is oxygen-demanding waste?

Organic matter that consumes oxygen as it decomposes.

What is surface run-off?

Water that flows over land into rivers, lakes, or oceans.

What is a contaminant plume?

A spread of pollution in groundwater.

What is transpiration?

The process of plants releasing water vapor into the air.

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Water Review

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Questions 36

Answers

1
What does fall mean?
To increase in height.
To expand outward.
To remain at a steady level.
To drop down or decrease.
2
How many inches are in one foot in the imperial system?
10
12
8
15
3
What are grasslands mostly made of?
Mountainous terrain with little plant life.
Trees and thick forests.
Large open areas covered mainly in grass.
Coral reefs and marine plants.
4
What is a biome?
A large area with similar climate, plants, and animals.
A small habitat within a forest.
A type of landform, like a mountain or valley.
A single species living in an ecosystem.
5
What is an intertidal zone?
The middle of a river where fish live.
A deep ocean trench with no marine life.
The area between high and low tide along the shore.
A frozen body of water near the Arctic.
6
What is diffusion in water systems?
The evaporation of water into the air.
The increase of water salinity due to pollution.
The sinking of heavy particles to the bottom.
The movement of substances from high to low concentration.
7
What are coastal zones?
Areas where land meets the ocean.
The deepest parts of the ocean.
Large desert regions near water sources.
Lakes and rivers near mountains.
8
What does shrink mean?
To move quickly in an upward direction.
To become smaller in size or amount.
To become larger over time.
To remain the same size.
9
What is precipitation?
Water that falls from the sky as rain, snow, sleet, or hail.
Water moving through plants and into the air.
Water soaking into the ground.
The process of water turning into vapor.
10
What does plunge mean?
To slowly increase over time.
To move sideways without changing size.
To stretch or expand.
To decrease suddenly and steeply.
11
What are aquatic life zones?
Areas with only freshwater lakes and rivers.
Water-based environments where different species live.
Land-based ecosystems with many animals.
The deep ocean floor with no life.
12
What happens during condensation?
Water evaporates from lakes and oceans.
Rainwater flows over the land into rivers.
Plants release water into the air.
Water vapor cools and changes into liquid droplets.
13
What are heavy metals in the context of water pollution?
A substance that increases oxygen in water.
Toxic metals like lead and mercury that contaminate water.
Rocks found at the bottom of rivers.
A type of hard mineral used in construction.
14
Where is groundwater stored?
Inside plant leaves.
In underground layers of rock and soil.
In the atmosphere.
In rivers and lakes.
15
In which country is the imperial system still commonly used?
France
Somalia
Japan
United States
16
What is the basic unit of mass in the metric system?
Gram
Foot
Pound
Ounce
17
How does agriculture affect water quality?
It has no impact on water pollution.
It only affects groundwater, not surface water.
It helps purify water by filtering out pollutants.
It can introduce fertilisers and pesticides into water sources.
18
What are coral reefs?
Underwater ecosystems made of coral structures, supporting marine life.
Large rock formations found in freshwater lakes.
The deepest part of the ocean where no sunlight reaches.
Piles of sand formed by ocean currents.
19
What is the imperial system?
A modern scientific measurement system.
A measurement system used mainly in Europe.
A system using units like inches, feet, and pounds.
A system that measures only temperature.
20
What happens during evaporation?
Water changes from a liquid to a gas.
Water droplets form clouds.
Water flows over land into the ocean.
Rain falls to the ground.
21
What does deoxygenation mean in a water system?
The increase of oxygen due to algae.
The loss of dissolved oxygen in water.
The process of adding oxygen to polluted water.
The formation of salt crystals in groundwater.
22
What is the main characteristic of the tundra biome?
A warm and humid environment.
A large body of water with many fish species.
A tropical rainforest with lots of biodiversity.
A cold, treeless landscape with frozen soil (permafrost).
23
What is the metric system?
A measurement system based on multiples of 10.
A system that uses fractions instead of decimals.
A system that only measures length.
A traditional measurement system used in the U.S.
24
What problem can algae cause in water systems?
Excessive growth can lead to oxygen depletion.
It is only found in saltwater environments.
It prevents contamination of drinking water.
It always improves water quality.
25
What does expand mean?
To break into pieces.
To stay the same size.
To become larger or grow in size.
To move up and down repeatedly.
26
What is the open sea?
Shallow waters near the beach.
Small lakes that are part of a river system.
The bottom of the ocean floor.
The deep, vast ocean beyond the coastal zones.
27
What is eutrophication?
A process that purifies contaminated water.
Excess nutrients in water leading to algae growth and oxygen loss.
The natural balance of oxygen and nutrients in lakes.
A decrease in water temperature due to pollution.
28
What is non-point source pollution?
Pollution from multiple, scattered sources like runoff.
A type of pollution found only in oceans.
Pollution from a single, identifiable source like a factory.
Water pollution caused only by agricultural activities.
29
What is wastewater?
Water that has been completely purified.
A process that naturally cleans rivers.
A type of freshwater found in lakes.
Used or contaminated water that requires treatment.
30
Which Process Forms Clouds?
Condensation
Aquifer
Transpiration
Precipitation
31
What is saltwater?
Water that contains high amounts of dissolved salt, like oceans.
Water with very little or no salt.
Sweet water.
Water that evaporates quickly.
32
What does skyrocket mean?
To fall to the lowest level.
To shrink to a very small size.
To increase very quickly and dramatically.
To decrease gradually over time.
33
What is oxygen-demanding waste?
A type of bacteria that creates oxygen in lakes.
Organic matter that consumes oxygen as it decomposes.
A chemical that increases oxygen in water.
Waste that makes water more alkaline.
34
What is surface run-off?
Water that seeps into the ground.
The release of water from plants.
Water vapor turning into liquid water.
Water that flows over land into rivers, lakes, or oceans.
35
What is a contaminant plume?
A cloud of water vapour.
A spread of pollution in groundwater.
A layer of soil that absorbs chemicals.
A type of fertiliser used in farming.
36
What is transpiration?
The flow of water over land into lakes and rivers.
The process of plants releasing water vapor into the air.
Water forming clouds in the sky.
Water soaking into the ground.

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