Astronomy 1 SeamonScience

What part of the moon do we see from Earth?

• all of it
• the same side
• none of it
• only one quarter

As the moon's shape appears to get smaller, we say that the moon is _.

• swelling
• waxing
• waning
• disappearing

Which moon phase is when you can't see the moon at all?

• Waning crescent
• Full moon
• Waxing gibbous
• New moon

Phases of the moon in which the moon appears to be getting larger are referred to as _.

• waxing
• waning
• new
• eclipse

The cycle of the moon lasts about a _.

• day
• year
• week
• month

During the phases of the Moon, the Moon appears to change shape.  This change in appearance is due to the Moon...

• physically changing size and shape.
• moving closer and then farther away from Earth.
• reflecting a different amount of light due to alignment with Earth and the Sun.
• having craters on its surface.

One complete revolution of the Earth around the sun takes about

• one rotation
• half a year
• one year
• one season

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

• 12
• 24
• 14
• 28

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