The ___________ contains all the living organisms on Earth.

The ___________ is made up of all the gases that surround the Earth.

All the solid land at the Earth's surface is known as the ___________.

All Earth's water in all its forms is called the ______________.

A slow-moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles is called a(n)

_____________ rock is formed when magma cools, hardens, and crystallized.

Sandstone is an example of a

Obsidian is an example of __________ rock.

__________rock forms when sediment is compacted and cemented while exposed to mineral-rich water.

The breaking down or dissolving of rocks, minerals, or soil on Earth's surface is known as ____________.

Water that exits the leaf through the stomata adds to the water cycle because the process is known as

The ______________ moves water among and between Earth's systems.

The process by which a liquid changes to a gas is called

The process by which a gas changes to a liquid is called ________________.

Water that falls from clouds to Earth's surface is called

The process of moving sediment from one place to another is called

___________ is the process by which living organisms release carbon dioxide as a waste product when breaking down food molecules.

Clouds are a part of the ____________.

Gravity pulls air particles toward Earth, causing them to squeeze more tightly together near Earth's surface.

Air particles close to Earth's surface are less tightly packed them air particles high in the atmosphere.

___________ is to high amounts of salt as freshwater is to low amounts of salt.

Sometimes water can accumulate into an underground layer of groundwater called a well.

A biome consists of a group of ecosystems with similar climates and communities.

Which represents the largest percentage of fresh water on Earth?

About ______________ of the sun's energy is absorbed by Earth's surface.

Wind over a body of water does not increase evaporation.

Weathering and erosion are processes that cause changes to the

_____________ is found in all living things.

Carbon dioxide is a waste product of

Bodies that do not decompose completely are changed over time into _______________ or fossil fuels.

Plants can use nitrogen in its natural state?

Plants use nitrogen and when animals eat plants, they absorb some of the nitrogen.

Consumers release nitrogen back into the soil, providing nutrition for plants.

Decomposers release nitrogen back into the soil, providing nutrition for plants.

Which does not describe the nitrogen cycle?

Near the equator, the sun's rays strike Earth __________.

Breakwaters or seawalls are constructed by humans to prevent erosion and other wave-related damage on the shoreline.

Which of the following are ways to protect beaches from tidal waves?

Which object is responsible for evaporation?