Impact of Melting Sea Ice on Arctic Ecosystems

What happens if you travel far north in January?

• The sun never sets.

• It gets dark in the middle of the day.

• The days get longer.

• It gets extremely hot.

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NGSS.MS-ESS1-1

How long does the polar night last in the Arctic?

• One month

• Two months

• Four months

• Three months

What is the predicted state of the Arctic ice during summer within two decades?

• It will remain the same.

• It will increase slightly.

• It will be thicker.

• It will be ice-free.

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NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

What did scientists assume about the Arctic winter before recent studies?

• It was dormant.

• It was teeming with life.

• It was warmer than expected.

• It had more sunlight.

What do robotic gliders measure in the Arctic Ocean?

• Sunlight levels

• Air temperature

• Properties of water

• Ice thickness

What do some types of algae become food for after they die?

• Polar bears

• Seals

• Mollusks, worms, and crustaceans

• Whales

What is the main concern if algae blooms appear too early in the spring?

• Zooplankton may go hungry.

• Fish populations will increase.

• Ice will melt faster.

• Sunlight will decrease.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

What are the natural nutrients found in the ocean that nourish algae?

• Sulfur and chlorine

• Nitrogen and phosphate

• Hydrogen and helium

• Carbon and oxygen

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

How much faster are Arctic summer temperatures rising compared to the past 1,500 years?

• Twice as fast

• Three times as fast

• Four times as fast

• Five times as fast

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NGSS.MS-ESS3-5

What will scientists do to monitor the rapidly changing Arctic landscape?

• Increase carbon emissions

• Return to the same stations in the spring and early summer

• Move to a different location

• Stop all research activities

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-6