Unit Test-Earth Systems

During a geography class, Grace, Ava, and Priya were discussing the cryosphere. They listed various forms of frozen water, but one of them mentioned something that is NOT a form of frozen water in the cryosphere. Which one is it?

• Glaciers

• Rain

• Ice shelves

• Sea ice

During a science project, Abigail, Olivia, and Anika were discussing the composition of the Earth's atmosphere. They wanted to know which gas is the most abundant in the Earth's atmosphere. Can you help them?

• Carbon dioxide

• Nitrogen

• Water vapor

• Oxygen

Which of the following is NOT one of the six major ions found in ocean water?

• Nitrate ion
• Calcium ion
• Magnesium ion
• Sodium ion

Aiden, Abigail, and Rohan are studying the changes in a river as it flows from the headwater to the mouth. What changes might they observe?

• Temperature may increase

• Clarity may be reduced

• Oxygen levels may decrease

• All of the above

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is groundwater?

• Water found in the oceans
• Water found in the atmosphere
• Water found on the surface of the Earth
• Water found in the spaces between sediments and rock underground

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

During a science project, Maya, Ethan, and Rohan were discussing greenhouse gases. They were trying to identify which of the following is NOT a greenhouse gas. Can you help them?

• Oxygen

• Water vapor

• Ozone

• Carbon dioxide

What percentage of Earth's freshwater is found in glaciers and ice sheets?

• 69%
• 30%
• 1%
• 97%

What is the geothermal gradient?

• The temperature of Earth's interior
• The increase in temperature with depth beneath Earth's surface
• The distribution of water on Earth
• The relationship between the atmosphere and the hydrosphere

During an Earth science class, Ava, Benjamin, and Charlotte were discussing the four interconnected systems of the Earth. Which of the following is NOT one of those systems?

• Biosphere

• Magnetosphere

• Atmosphere

• Lithosphere

Which of the following is NOT a characteristic of streams and rivers?

• They end at the mouth
• They begin at headwaters
• They always have clear water
• They flow to lower elevations