Earth's Revolution

Why do we experience the changing of the season on the earth?

• distance from the sun
• rotation of the earth
• change in solar output
• tilt of the earth's axix

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

• vernal equinox
• axis
• solar eclipse
• solar flare

As the Earth orbits around the sun, the direction of the tilt of its axis changes.

• True
• False

At position A, in the Northern hemisphere it would be _____?

• Summer
• Winter
• Spring
• Fall

What happens when the area in which you live tilts away from the sun?

• It is summer.
• It is spring.
• It is winter.
• It is fall.

The imaginary line that separates the northern and southern hemispheres is called the....

• axis
• equator
• solstice
• equinox

Day and night is caused by the _____________ of earth on its axis.

• revolution
• orbit
• rotation
• Tilt

What is the earth's tilt in degrees

• 205

• 22.5

• 23.5

• 24.5

What is an Equinox

• Full tilt toward sun

• Full tilt away from sun

• Shortest day

• Equal day and night

define a solstice

• Full tilt toward sun

• equal day and night

• 10 degrees toward sun

• 10 degrees away from sun