Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


When the amount of the Moon's lighted surface seen on Earth increases


An elongated, closed curve

third quarter

Waning Moon phase in which only one-half of the lighted side of the Moon can be seen from Earth


A round, three-dimensional object whose surface is the same distance from its center at all points

Moon phases

The changing appearances of the Moon as seen from Earth

full moon

When all of the Moon's surface that faces Earth is lit up

solar eclipse

When the Moon temporarily blocks the sunlight reaching Earth

first quarter

Waxing Moon phase in which one-half of the Moon's lighted side can be seen from Earth


Reached when the Sun's position is directly over Earth's equator


The imaginary line around which a planet such as Earth spins

new moon

When the Moon is between Earth and the Sun and cannot be seen


The spinning of Earth on its axis

lunar eclipse

When Earth's shadow falls on the Moon


When the amount of the Moon's lighted side that can be seen becomes smaller


The point at which the Sun reaches its greatest distance north or south of the equator


Earth's yearly orbit around the Sun


Part of the Moons shadow that you must be in to see a total solar eclipse

24 hours

Earth rotates on its axis about once every ______.


Night and day on Earth are caused by Earth's


The summer solstice begins in _____ in the northern hemisphere


The summer solstice begins in _____ in the southern hemisphere


Daylight hours are ______ for the hemisphere tilted toward the Sun.


You are more likely in their lifetime to see a total ______ eclipse


If you followed a compass needle, pointing north, you would end up at the _________ north pole of Earth.


Earth is farthest from the Sun in _________

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording