IB ESS Unit 3

Sustainability is the use and management of resources that allows for ___.

• a full replacement of the resources exploited

• a full recovery of the ecosystems affected by resource extraction and use

• no changes in equilibrium

• no disturbances to the system

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Which of the following INCREASES your IB ESS teacher's ecological footprint the most?

• Your teacher composts most of her biodegradable waste.

• Your teacher buys most of her produce from local farmers.

• Your teacher eats small amounts of meat about once or twice a week.

• Your teacher flies in an airplane across to the other side of the country each year.

• Your teacher's small old house doesn't have air conditioning.

Answer explanation

Flying is HORRIBLE for anyone's ecological footprint! Some companies have started programs that allow those who fly an opportunity to buy carbon offset credits to attempt to balance out their impact on climate change.

Tags

NGSS.MS-ESS3-4

Global Overshoot Day is ___.

• the day that forests overshoot their growth estimates

• the day that Earth's humans have used more resources than the planet can sustainably replenish within the year

• getting earlier and earlier each year (except for 2020 anomaly when so many people used fewer resources due to sheltering in place because of the COVID pandemic)

• the day when the Golden State Warriors' Steph Curry breaks his 3-point record during the basketball season

Tags

NGSS.MS-ESS3-4

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

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

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

What is this a diagram of?

• Artesian screw

• Urban runoff

• Permeable reservoir

• An Aquifer

Tags

NGSS.MS-ESS2-4

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

Enhancing water supplies by collecting precipitation to use for flushing toilets in the home and watering the garden:

• enhancing by redistribution

• enhancing by desalinisation

• enhancing by reservoirs

• enhancing by artificial recharge of aquifers

• enhancing by rainwater harvesting

Tags

NGSS.MS-ESS2-4

Enhancing water supplies by collecting sea water and putting it through a plant to remove the salt:

• enhancing by redistribution

• enhancing by desalinisation

• enhancing by reservoirs

• enhancing by artificial recharge of aquifers

• enhancing by rainwater harvesting

Tags

NGSS.MS-ESS2-4