Saltwater

Saltwater makes up how much of the Earth's water supply?

• 97%

• 75%

• 25%

• 3%

Tags

NGSS.MS-ESS2-4

Which of these is the largest source of salt water?

• Rivers

• Lakes

• Oceans

• Streams

What makes up most of the water on Earth?

• Salt water

• Fresh water

Tags

NGSS.MS-ESS2-4

What is one example of a body of water that is salt water?

• lakes

• oceans

• rivers

How does salt get into the ocean?

• It comes from glaciers.

• It comes from the rain that runs off of rocks and land into rivers.

• Someone poured it in the ocean.

• It is made from sand.

Tags

NGSS.MS-ESS2-4

Which term describes the amount of salt in the water?

• temperature

• salinity

• buoyancy

• depth

Which of the following best describes a saltwater ecosystem?

• An ecosystem with low salinity and high biodiversity

• An ecosystem with high salinity and low biodiversity

• An ecosystem with high salinity and high biodiversity

• An ecosystem with low salinity and low biodiversity

Where does the salt in the ocean come from? There are TWO correct answers.

• Magma from seafloor spreading

• Sediments from weathering and erosion

• Humans add it

• Animals add it

How much salt is in something is called_____________

• Salinity

• Evaporation

• Seamount

Tags

NGSS.MS-ESS2-4

Where is most of Earth’s water located?

• glaciers

• lakes

• oceans

• rivers

Tags

NGSS.MS-ESS2-4