Arctic Squirrel and Northern Lights

The video explores how certain creatures, like the Arctic ground squirrel, survive the harsh winter by hibernating and lowering their body temperature below freezing. It also delves into the enchanting Northern Lights, explaining their scientific basis as charged particles from the sun interacting with Earth's magnetic field. Finally, it describes the awakening of the Arctic squirrel in early spring, highlighting its survival challenges after losing significant body weight during hibernation.

What unique biological adaptation helps the ground squirrel survive the winter?

• It migrates to warmer areas.

• Its body temperature drops below freezing.

• It stores food in its burrow.

• It grows extra fur.

How often does the ground squirrel warm itself during hibernation?

• Every 2 to 3 weeks

• Every 2 to 3 hours

• Every 2 to 3 days

• Every 2 to 3 months

What is a characteristic feature of the Arctic winter?

• Constant daylight

• Temperatures above freezing

• Almost perpetual night

• Frequent rain showers

What temperature can the Arctic winter drop to?

• 30° below zero

• 10° below zero

• 70° below zero

• 50° below zero

What do some native peoples believe the Northern Lights represent?

• The spirits of animals

• The spirits of the dead

• The spirits of the living

• The spirits of the forest

What causes the Northern Lights according to science?

• Moonlight reflections

• Charged particles from the Sun

• Volcanic eruptions

• Reflections from the ocean

How long does the Arctic squirrel hibernate?

• About 9 months

• About 5 months

• About 3 months

• About 7 months

What is one of the first things the Arctic squirrel does upon waking from hibernation?

• Seeks shelter

• Migrates south

• Looks for food

• Builds a new burrow