Earth

The Earth's axis is tilted _____ degrees.

• 23.5
• 25.3
• 30.2
• 24

What do June 21 and December 21 have in common?

• equinox dates
• the moon is full
• solstice dates
• the cold fronts blow in

What season is it in the Southern Hemisphere when it is fall in the Northern Hemisphere?

• winter
• spring
• summer
• fall

Why does the area around the equator stay the same temperature all year?

• The equator rotates slower than the poles.
• The equator remains the same distance from the sun.
• The equator always receives direct sunlight.
• The equator has 18 hour days.

In the Northern Hemisphere, on which day will you receive the most daylight?

• September 21
• December 21
• March 21
• June 21

One rotation of Earth is equal to

• a day.
• a year.
• a month. 

What is Earth's annual motion around the sun called?

• Rotation
• Revolution

What would seasons be like if Earth's axis were straight up and down?

• Seasons would be the same.
• Seasons would be more extreme.
• There would be no seasons.
• Seasons would vary. 

The Earth's _______ is an imaginary line that goes from the North Pole to the South Pole.

• vernal equinox
• axis
• solar eclipse
• solar flare

When are the equinoxes?

• June & December
• July & January
• April & October
• March & September