Celestial Cycles Unit Test

Identify what type of eclipse is happening in this picture.

• solar eclipse

• lunar eclipse

• neither of these

• both of these

Explain the difference between a solar and lunar eclipse.

• solar eclipses are the same as lunar eclipses

• in a lunar eclipse the earth passes in front of the sun to block it from reaching the moon

• in a solar eclipse the moon passes in front of the sun to block it from reaching the earth.

• none of the above

A total eclipse occurs when:

• One celestial object blocks the Sun's light from reaching another.

• One celestial object passes through the penumbra of another celestial object

• One celestial object passes through the umbra of another celestial object

• None of the above.

True or False: When a celestial object passes through the penumbra of another celestial object it is a partial eclipse.

• True

• False

Explain what is meant when the moon is “waxing”:

• The moon is becoming less illuminated after the full moon

• The moon is becoming more illuminated after the new moon

• A partial lunar eclipse

• A total lunar eclipse

Identify what happens during the waning part of the moon phases

• The moon is becoming less illuminated after the full moon

• The moon is becoming more illuminated after the new moon

• A partial lunar eclipse

• A total lunar eclipse

The __________’s gravity is responsible for keeping the 8 planets in orbit around the Sun.

• Sun

• Earth

• Moon

_____________’s gravity keeps the Moon in orbit around the Earth

• Sun

• Earth

• Moon

True or False: All objects with mass have gravitational force

• True

• False

The more mass an object has, the bigger its gravitational force. Which celestial object has the most mass?

• Sun

• Earth

• Moon

• None of the above