Water Unit Test

How does water return to Earth’s surface to continue the water cycle?

• Rain falls when the cloud becomes too bright

• Rain falls when the rain droplets in the clouds become too heavy and gravity pulls

• Rain falls to keep the clouds from moving higher into the sky

• When many clouds come together, they release the rainfall due to increased altitude in the atmosphere

Tags

NGSS.MS-ESS2-4

About what percentage of the ocean consists of dissolved salts?

• 30.6%

• 7.7%

• 3.5%

• 1.2%

This area extends off every continent to some extent, thus making this the shallowest part of the ocean floor topography. Which feature is described here?

• continental shelf

• continental slope

• abyssal plain

• mid-ocean ridge

Tags

NGSS.MS-ESS2-3

Travis is swimming in the ocean near a sandbar and feels like he is being pulled out to sea. This rush of water that moves rapidly out to sea through a narrow opening in a sandbar is called a ___. Travis may be pulled under if he cannot calmly escape this fast-moving flow of water.

• longshore drift

• breaker wave

• tsunami

• rip current

What causes cold, deep currents to begin moving in the oceans near the poles?

• The Coriolis Effect turning water

• Dense, cold water sinking towards the equator

• the movement of a large mass of warm water across the Pacific Ocean

• the movement of glaciers across the land

Tags

NGSS.MS-ESS2-6

Which ocean water movement may intensify during windy storms as energy is transferred from the wind through the water?

• currents

• waves

• tides

• upwelling

THINK, THINK, THINK… All the following could result in a water shortage EXCEPT

• when the demand for water is greater than the supply

• when the supply of water falls below the demand

• when the drought affects the supply of groundwater

• when demand for water is less than the supply

Tags

NGSS.MS-ESS3-4

Which of the four major uses of water demanded the least amount of water in 1970?

• Homes and Businesses

• Industries

• Irrigation

• Electricity Generation

Of the four major uses of water, which is predicted to demand more than 300 million kiloliters of water in Hogan County alone in 2020?

• Homes and Businesses

• Industries

• Irrigation

• Electricity Generation

Tags

NGSS.MS-ESS3-4

Which of the four major uses is predicted to increase by the most kiloliters by 2020?

• Homes and Businesses

• Industries

• Irrigation

• Electricity Generation

Tags

NGSS.MS-ESS3-4