Quiz on Polar Vortex

Where does the polar vortex occur?

• Over the equator

• Over the polar regions of a planet

• Over the deserts

• Over the tropical regions

What happens to the polar vortex on Earth during winter?

• It becomes more stable

• It becomes less stable

• It disappears

• It moves to the equator

What effect does the polar vortex have on polar air during winter?

• It traps polar air at the poles

• It sends polar air away from the poles

• It warms the polar air

• It cools the polar air

Which grades is the polar vortex topic suitable for, according to the document?

• 1 - 3

• 5 - 8

• 9 - 12

• College level

Where are polar vortexes found?

• Only in the Northern hemisphere

• Only in the Southern hemisphere

• In both the Northern and Southern hemispheres

• Only at the equator

How many centers does the northern polar vortex have?

• One

• Two

• Three

• Four

Where is one of the centers of the northern polar vortex located?

• Near the equator

• In southern Canada

• Near Baffin Island in northern Canada

• In the Pacific Ocean

What is the geographical location of the snow drifts mentioned in the text?

• Alberta, Canada

• Saskatchewan, Canada

• Ontario, Canada

• Quebec, Canada

How fast do the winds in the polar vortex move?

• 50 kilometers per hour

• 100 kilometers per hour

• 161 kilometers per hour

• 200 kilometers per hour

Where is the Northern Hemisphere's polar vortex believed to have two centers?

• Greenland and Iceland

• Northern Canada and northeastern Siberia

• Alaska and Russia

• Norway and Sweden