Seasons and Earth's Axis

What could be causing the regular change in temperature in space?

• The tilt of the Earth's axis

• The rotation of the Earth on its axis

Rohan says seasons change because Earth is closer to the Sun in summer and farther in winter. Why might Zoe and Noah disagree?

• Because the tilt of the Earth's axis affects the heat we feel more than the distance

• Because the Sun moves closer and farther away from the Earth

If it's summer in Michigan, what season will it be in Australia?

• Winter

• Spring

As the Earth revolves around the Sun, which direction does its axis point to?

• It points towards the Sun

• It points towards Polaris, the North Star

Samuel thinks the Earth's seasons are caused by the rotation of the Earth, while Lily believes it's due to the tilt of the Earth's axis. Who is correct?

• Samuel, who thinks it's the rotation of the Earth

• Lily, who believes it's the tilt of the Earth's axis

What would happen when the northern hemisphere of Earth tilts away from the Sun?

• Earth receives indirect sunlight and temperatures become cooler.

• Earth experiences no seasons.

What would be the result on a planet where the tilt of the axis is 0 degrees?

• The rays from the Sun would hit all regions of the planet equally, causing no difference in sunlight distribution.

• Only one hemisphere of the planet would experience seasons.

How does the tilt of Uranus' axis compare to that of Earth's?

• Uranus does not have any tilt.

• Uranus has a tilt of about 98 degrees.

How long would one day on Uranus last compared to Earth?

• About the same as one Earth year.

• Twice as long as one Earth year.

How many seasons are there in a year?

• 12

• 4