Astronomy Exam

The moon seems to change shape from day to day in a cycle that lasts about a month as it goes through _.

• revolutions
• phases
• rotations
• eclipses

About how long does it take the moon to make one complete cycle around the earth?

• 65 days
• 8 days
• 365 days
• 28 days

The cycle of the moon lasts about a _.

• day
• year
• week
• month

The Earth takes about __________________ hours to complete one rotation of its axis.  

• 12
• 24
• 14
• 28

At all times the moon is half lit up by the sun.             

• true
• false

Name the phase of the moon for letter f

• Waning Gibbous
• Waxing Gibbous
• Waning Crescent
• Waxing Crescent

Name the phase of the moon for letter c

• New Moon
• Full Moon
• Waxing Crescent
• Waning Crescent

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

• revolution
• orbit
• rotation

As the Earth travels around the sun, this tilt causes different areas of the Earth’s surface to get different amounts of daylight at different times of the year. The angle of the Sun’s rays to the surface also causes areas to have more or less of the Sun’s energy. This causes the ________.

• months
• day and night
• seasons
• years

A ______ eclipse occurs when the moon passes between Earth and the sun, blocking the sunlight from reaching Earth. The moon's shadow then hits Earth.   

• solar eclipse
• lunar eclipse
• vernal equinox
• autumnal equinox