IB ESS Topic 8.2

Access to adequate freshwater is...

• adequate worldwide

• unevenly distributed through the world

• available to all marine organisms

• evenly distributed through the world

Tags

NGSS.MS-ESS3-1

Demand for freshwater is increasing, which if these factors IS NOT causing this increase?

• industrialisation

• fishing technology advancement

• human population increase

• irrigation of agriculture

Tags

NGSS.MS-ESS3-4

Agriculture uses a large amount of water, but which crop uses the most water to produce 1 kg of food?

• wheat

• rice

• beef

• chicken

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-1

How much of all the water on Earth can be used by humans?

• 78%

• 12%

• 7%

• 1%

Tags

NGSS.MS-ESS2-4

Water security is...

• the safe water being available to some of the population

• the capacity of a population to safeguard sustainable access to adequate quantities of safe water for life

• having water supplies available without conflict

• the capacity of a population to supply themselves with adequate water economically and politically to be able to develop

Tags

NGSS.MS-ESS2-4

Which of these social effects would NOT be directly improved if water scarcity was reduced in poor communities?

• education of females

• death rates

• birth rates

• disease

Irrigated farming accounts for how much freshwater use globally?

• 90%

• 70%

• 50%

• 30%

Tags

NGSS.MS-ESS2-4

What is this a diagram of?

• Artesian screw

• Urban runoff

• Permeable reservoir

• An Aquifer

Tags

NGSS.MS-ESS2-4

When would a groundwater aquifer become unsustainable?

• When more water is extracted than is replenished

• When the zone of replenishment is higher than the extraction point

• When more water is replenished than is extracted

• When the groundwater becomes lower than the well head

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

NGSS.MS-ESS3-4

Enhancing water supplies by building a large dam to store precipitation supplies would be:

• enhancing by redistribution

• enhancing by desalinisation

• enhancing by reservoirs

• enhancing by artificial recharge of aquifers

• enhancing by rainwater harvesting

Tags

NGSS.MS-ESS2-4