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NCFE Earth - Hydrosphere

Authored by Sandy Quinn

Science

9th Grade

Used 30+ times

NCFE Earth - Hydrosphere
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A rural, forested area receives a lot of rain in a short amount of time. What would most likely cause potential flooding in the area?

if the area has a large uncharged aquifer beneath it

if the water level in the area is below the zone of saturation

if the ground of the area is already saturated with water

if the ground of the area is mostly sandy soil

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A community decides to upgrade its water purification and management systesm. What lasting impact could this have on available freshwater?

It could cause a decrease in water demand.

It could cause a decrease in the water levels.

It could cause an increase in waterborne diseases.

It could cause an increase in the freshwater supply.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Subsurface ocean currents continually circulate from the warm waters near the equator to the colder waters in other parts of the world. What is the main cause of these currents?

differences in the topography along the ocean floor

differences in density of ocean water

the rotation of Earth on its axis

movement of the jet stream

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most common contamination source for freshwater resources?

runoff

digging wells

melting of glaciers

lightning

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the best way to conserve worldwide freshwater resources?

build more roads and highways for cars and trucks

increase the amount of land used to raise cattle

develop more modern coal-powered plants

use more efficient irrigation techniques

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the most responsible for the presence of groundwater in an area?

the movement of water from a confined aquifer into surface water

the movement of surface water and precipitation through soil and rock

the movement of water from streams and rivers to watersheds

the movement of surface water through impermeable rock

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will most likely happen if a warm ocean current travels north or south from the equator?

The current will become warmer, causing it to become more dense and rise.

The current will become cooler, causing it to become less dense and rise.

The current will become cooler, causing it to become more dense and sink.

The current will become warmer, causing it to become less dense and sink.

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