Water Quiz

What percentage of Earth's water is saltwater?

• 2.5%

• 97.5%

• 0.01%

• 50%

Where is the greatest amount of Earth's freshwater found?

• In underground aquifers

• In rivers and lakes

• In polar ice caps and glaciers

• In the atmosphere

Tags

NGSS.MS-ESS3-1

NGSS.MS-ESS2-4

What percentage of Earth's freshwater is available for use?

• 97.5%

• 2.5%

• 0.01%

• 50%

Tags

NGSS.MS-ESS3-1

How many oceans is the ocean divided into?

• 4

• 5

• 6

• 7

Which ocean is the largest and covers more than half of Earth's water?

• Atlantic Ocean

• Indian Ocean

• Pacific Ocean

• Southern Ocean

Which abiotic factor refers to the salt concentration in water?

• Light penetration

• Salinity

• Currents/waves

• Level of essential nutrients

Up to what depth does light penetrate in water to allow photosynthesis?

• 100 m

• 200 m

• 300 m

• 400 m

Tags

NGSS.MS-LS1-6

What process brings nitrates and phosphates from the ocean bottom to the surface?

• Photosynthesis

• Precipitation

• Upwelling

• Evaporation

Tags

NGSS.MS-LS2-3

What does dissolved oxygen (DO) vary with?

• Salinity and light availability

• Temperature and number of consumers

• pH levels and nutrient availability

• Water depth and pressure

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What are the three factors that divide the ocean into marine life zones?

• Temperature, salinity, and water flow

• Sunlight, distance from shore, and water depth

• Tides, currents, and ocean topography

• Marine life diversity, water pressure, and oxygen levels