phases and eclipses

Waxing means:

• Decreasing light
• Increasing light
• High tide 
• Low tide

Waning is:

• Increasing light 
• Decreasing light
• High Tide
• Low tide 

The stage of the moon that is after a waxing gibbous

• First quarter
• Third quarter
• New moon
• Full moon

The length of time it takes for the moon to go through its whole cycle: 

• 27 hours
• 29 days
• 27 days
• 29 hours

The definition of eclipse is:

• The planets line up
• The Sun, Earth and Mars line up
• The Sun, Earth and Moon line up
• The Earth, Moon and Venus line up 

A lunar eclipse occurs when the line up is this:

• Sun -Earth-Moon
• Moon, Sun, Earth
• Earth-Sun-Moon
• Sun-Moon-Earth

Is it safe to look directly at a lunar eclipse? 

• Yes
• No

The line up for a solar eclipse is: 

• Sun-Earth-Moon
• Earth-Sun-Moon
• Sun-Moon-Earth
• Earth-Moon-Mars

The part of the sun that can only be seen during a total eclipse is: 

• Core
• Chromosphere
• Photosphere
• Corona

Why can't we look directly at a solar eclipse? 

• It will burn our auditory nerve
• It will burn our retina
• It will burn our pupil
• It will burn our cochlea