U2L4 Earth's Major Systems

What is the atmosphere?

• The layer of gases surrounding Earth

• A type of weather pattern

• A type of ecosystem

• A type of ocean current

What gases primarily make up the atmosphere?

• The atmosphere is primarily composed of nitrogen (about 78%), oxygen (about 21%), and trace amounts of other gases such as argon, carbon dioxide, and water vapor.

• The atmosphere is primarily composed of hydrogen and helium.

• The atmosphere is primarily composed of methane and ammonia.

• The atmosphere is primarily composed of carbon monoxide and sulfur dioxide.

Which of the following gases are found in the atmosphere?

• Water vapor

• Carbon dioxide

• Nitrogen

• All of the above

Tags

NGSS.MS-ESS2-5

What does the geosphere include?

• Only the solid rock inside Earth

• The solid and molten rock inside Earth

• Only the land features at Earth's surface

• Only the soil and rock pieces

The geosphere includes the soil, rock pieces, and land features at Earth's surface. True or False?

• True

• False

What makes up the hydrosphere?

• Only oceans

• All of Earth's liquid and solid water, including oceans, lakes, rivers, glaciers, and ice caps

• Only lakes and rivers

• Only glaciers and ice caps

Tags

NGSS.MS-ESS2-4

Most of Earth's freshwater exists as _______.

• ice

• rivers

• lakes

• groundwater

Tags

NGSS.MS-ESS2-4

Most of Earth's saltwater is in the _______.

• ocean

• lakes

• rivers

• glaciers

Where are organisms that make up the biosphere found?

• Only in the ocean

• Only on land

• From the lower atmosphere to the depths of the ocean floor

• Only in the atmosphere

Fill in the blank: All living things are part of the ________.

• biosphere

• atmosphere

• lithosphere

• hydrosphere