Which of the following are important properties of water for life?

High heat capacity and solvent ability

Non-polarity and low boiling point

Insolubility and high freezing point

Point source pollution can be traced to a single, identifiable source, while nonpoint source pollution comes from multiple, diffuse sources. Which of the following is an example of point source pollution?

Runoff from agricultural fields

River basins and watersheds are important because:

They help collect and distribute water, support ecosystems, and provide resources for human use.

They are only used for recreational activities.

They have no impact on the environment.

They are found only in deserts.

Surface currents are at the surface of the ocean because:

they are driven by wind blowing across the surface

they are caused by underwater volcanoes

they are formed by deep-sea creatures

Precession affects Earth's climate by:

Changing the tilt of Earth's axis, which alters seasonal contrasts over thousands of years.

Increasing the speed of Earth's rotation, causing more extreme weather.

Decreasing the amount of sunlight Earth receives, leading to ice ages.

Causing earthquakes and volcanic eruptions.

the angle between an object's rotational axis and its orbital axis

the distance from the Earth to the Sun

the amount of sunlight received at the equator

Eccentricity impacts Earth's orbit by:

Making it more circular or more elliptical

Changing the tilt of Earth's axis

La Niña and El Niño are caused by:

Changes in ocean temperatures and wind patterns in the Pacific Ocean

El Niño and La Niña occur during which periods?

During changes in ocean temperatures in the central and eastern Pacific Ocean

During periods of high rainfall only

a warm ocean current in the Atlantic Ocean

Upwelling is the rising of cold, nutrient-rich water from deep in the ocean to the surface.

Upwelling is the process of warm water sinking to the bottom of the ocean.

Upwelling is the movement of ocean water towards the equator.

Upwelling is the evaporation of ocean water due to high temperatures.

What makes ocean water more dense than freshwater? ________

The salt content (salinity) makes ocean water denser than freshwater.

The temperature of ocean water is always higher than freshwater.

Ocean water contains more oxygen than freshwater.

Ocean water is less exposed to sunlight than freshwater.

What causes ocean currents to move?

Ocean currents move due to wind, Earth's rotation, temperature, and salinity differences.

Ocean currents move only because of the moon's gravity.

Ocean currents move due to the presence of marine animals.

Ocean currents move because of underwater volcanoes.

What are Milankovitch Cycles?

Milankovitch Cycles are periodic changes in Earth's orbit and tilt that affect climate.

Milankovitch Cycles are ocean currents that influence weather patterns.

Milankovitch Cycles are volcanic eruptions that change atmospheric composition.

Milankovitch Cycles are wind patterns in the upper atmosphere.

What gas is the most abundant greenhouse gas?

Water vapor is the most abundant greenhouse gas.

Carbon dioxide is the most abundant greenhouse gas.

Methane is the most abundant greenhouse gas.

Ozone is the most abundant greenhouse gas.

What causes acid rain? ________

Acid rain is caused by sulfur dioxide (SO₂) and nitrogen oxides (NOₓ) released from burning fossil fuels.

Acid rain is caused by increased oxygen levels in the atmosphere.

Acid rain is caused by the release of carbon dioxide from plants during photosynthesis.

Acid rain is caused by the evaporation of pure water from lakes and rivers.

What does a hydroelectric power station convert? ________

It converts kinetic energy from flowing water into electrical energy.

It converts solar energy into chemical energy.

It converts wind energy into mechanical energy.

It converts heat energy from burning coal into electrical energy.

Where does geothermal energy come from?

Geothermal energy comes from heat inside the Earth's crust.

Geothermal energy comes from the Sun's rays.

Geothermal energy comes from ocean tides.

Geothermal energy comes from wind currents.

Where is wind energy most effective? ________

Wind energy is most effective in open areas with strong, consistent winds, like coastal regions and plains.

Wind energy is most effective in densely forested areas with little wind.

Wind energy is most effective in deep underground caves.

Wind energy is most effective in crowded urban centers with tall buildings.

What is the main component of wind systems? ________

The main component is the wind turbine.

The main component is the solar panel.

The main component is the hydro generator.

The main component is the geothermal pump.

What tech is used to harness solar energy? ________

Solar panels (photovoltaic cells) are used to harness solar energy.

Wind turbines are used to harness solar energy.

Hydroelectric dams are used to harness solar energy.

Geothermal pumps are used to harness solar energy.

What is the main driver of global warming?

The main driver of global warming is increased carbon dioxide (CO₂) from human activities.

The main driver of global warming is volcanic eruptions.

The main driver of global warming is solar flares.

The main driver of global warming is natural forest fires.

Which human activity releases a lot of methane?

Agriculture, especially livestock farming, releases large amounts of methane.

Driving electric cars releases large amounts of methane.

Using solar panels releases large amounts of methane.

Recycling paper releases large amounts of methane.

What is the downside of solar energy?

Its energy production depends on sunlight and can be intermittent.

It produces harmful greenhouse gases.

It is the most expensive energy source.

What fuel is used in nuclear plants?

Uranium is used as fuel in nuclear plants.

Coal is used as fuel in nuclear plants.

Natural gas is used as fuel in nuclear plants.

Diesel is used as fuel in nuclear plants.

Name a common biomass fuel.

Natural gas is a common biomass fuel.

Uranium is a common biomass fuel.

Mason Leonard Study Guide

Authored by Mason Leonard

Social Studies

7th Grade

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100 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main energy source for the water cycle?

the Sun

the Moon

the Wind

the Oceans

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of Earth's water is saltwater? About _______ of Earth's water is saltwater.

97%

50%

10%

75%

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is adhesion in water? Adhesion in water is the attraction between water molecules and _______.

other substances

themselves

air molecules

light particles

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an aquifer? An aquifer is an underground layer of water-bearing rock or sediment that stores _______.

groundwater

oil

sand

lava

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of nonpoint source pollution? An example of nonpoint source pollution is runoff from _______ carrying pesticides.

agricultural fields

factories

sewage treatment plants

oil tankers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process happens when water vapor cools into liquid? _______ happens when water vapor cools into liquid.

Condensation

Evaporation

Sublimation

Precipitation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are tributaries? Tributaries are smaller streams or rivers that flow into a _______.

larger river

mountain

lake

ocean

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Mason Leonard Study Guide

What is the main energy source for the water cycle?

What percentage of Earth's water is saltwater? About _______ of Earth's water is saltwater.

What is adhesion in water? Adhesion in water is the attraction between water molecules and _______.

What is an aquifer? An aquifer is an underground layer of water-bearing rock or sediment that stores _______.

What is an example of nonpoint source pollution? An example of nonpoint source pollution is runoff from _______ carrying pesticides.

What process happens when water vapor cools into liquid? _______ happens when water vapor cools into liquid.

What are tributaries? Tributaries are smaller streams or rivers that flow into a _______.

What do watersheds do? Watersheds collect and channel precipitation into _______.

Most freshwater is in rivers and lakes.

Transpiration happens when water is absorbed by soil.

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