Earth, moon, sun systems

1) If you live in the southern hemisphere, what season would you be experiencing in position C this diagram?

• summer

• winter

• spring

• fall

If the earth were not tilted on its axis, what would be the result?

• Day length would be less than 24 hours.

• Both sides of the moon would be visible.

• Temperatures would be constant year round.

• The length of the year would be more than 365 days.

Which location of the moon relative to the sun and earth may produce a lunar eclipse?

• A

• B

• C

• D

A “new moon” coincides with the highest of the two spring tides. Which position is the new moon?

• A

• B

• C

• D

The Northern Hemisphere is warmer in spring than in winter, because in spring

• the days are shorter.

• it gets more direct sunlight

• the Earth is closer to the Sun

• it is tilted away from the sun

As Earth spins on its axis, producing night and day, it also moves about the Sun in an elliptical orbit that requires about 365 1/4 days to complete. The Earth's axis is tilted with respect to its orbital plane. When the earth's axis points towards the sun, it is __________ for that hemisphere.

• day

• night

• summer

• winter

This is a ___________ gibbous moon.

• crescent

• new

• waning

• waxing

This is a ___________ crescent moon.

• new

• old

• quarter

• waxing

A solar eclipse can ONLY occur when the moon is in which phase?

• new moon

• full moon

• quarter moon

• crescent moon

This diagram shows a lunar eclipse. During a lunar eclipse, the Earth is

• behind the Sun and the Moon.

• in between the Sun and the Moon

• in front of the Sun and the Moon.

• next to the Sun but not the Moon.