Sunrise, Sunset...or Not?

What is the sun?

• a planet that can only be seen from northern Alaska

• an asteroid that shines light onto the earth

• a star that can only be seen from northern Alaska

• a star that shines light onto the earth

Midnight sun in northern Alaska is an effect described in the passage. What is its cause?

• animals moving south in the winter

• getting a sunburn in the winter

• the Northern Hemisphere tilting away from the sun

• the Northern Hemisphere tilting toward the sun

Read the following sentences: “During part of the spring and summer in Earth’s Northern Hemisphere, the Northern Hemisphere is tilted towards the sun so much that the sun in northern Alaska, which is located in the Arctic Circle, never goes below the horizon. . . . During parts of the fall and winter in Earth’s Northern Hemisphere, the Northern Hemisphere is tilted in such a way that the sun doesn’t come over the horizon in northern Alaska for a little over two months."

What conclusion about the impact of the tilt of the earth does this information support?

• The tilt of the earth has no impact on the amount of sunlight different parts of the earth receive.

• The tilt of the earth has an impact on how fast the earth moves around the sun.

• The tilt of the earth has an impact on the amount of sunlight different parts of the earth receive.

• The tilt of the earth has an impact on how fast the Earth rotates on its axis.

Based on the text, how does the Northern Hemisphere tilt during the Northern Hemisphere's winter months?

• away from the sun

• towards the sun

• away from the moon

• towards the moon

What is this passage mostly about?

• the town of Barrow, Alaska, and what people there do in the arctic summer

• sunrise, sunset, midnight sun, and polar night

• how living things have adapted to survive the arctic summer and winter

• mosquitoes, caribou, and adult birds