Vocab
What is the force called in which all objects are attracted to each other? The strength of this force depends on the masses of the objects and the distance between them.
Gravity
Fill in the blank with the same vocab word:
The movement of one object around another is called ______.
It takes about one year for the Earth to complete one ______ around the sun.
Revolution
What type of eclipse occurs when the moon moves directly between the sun and the Earth, and the moon casts a shadow on part of the Earth?
Solar
What is the phase of the moon called in which the moon is three quarters of the way through its cycle, and it appears to be half lit on the left?
Third (or Last) Quarter Moon
During which two phases of the moon do we experience a spring tide?
New moon and full moon
What is the term for the two days of the year in which neither hemisphere is tilted toward or away from the sun, and day and night are of equal length.
Equinox
The rise and fall of the ocean water is called a _____.
Tide
What phase of the moon do we experience during a lunar eclipse?
Full Moon
What does the phase of the moon you see depend on?
How much of the sunlit side of the moon that faces Earth.
The tide with the least distance between low and high tides is called a ____ tide.
Neap
What determines day and night?
Earth's rotation on its axis
The partial or total blocking of one object in space by another is called an ______.
Eclipse
What type of eclipse occurs when the Earth passes between the sun and the moon, and the Earth casts a shadow on the Moon?
Lunar
What is the phase of the moon called in which the lighted part of the Moon as seen from Earth is decreasing, and the light is on the left? *The shape of the light seen is a crescent.
Waning Crescent Moon
During which two phases of the moon do we experience a neap tide?
First quarter and third (last) quarter
Fill in both blanks with the same vocab word:
The darkest part of the moon's shadow is called the _____
During a total lunar eclipse the moon is in Earth's _____.
Umbra
What "law" states that every object in the universe attracts every other object?
Newton's law of universal gravitation
What phase of the moon do we experience during a solar eclipse?
New Moon
During this phase, the moon appears to be more than half lit on the right. The light we see is shaped like a football.
Waxing Gibbous
The tide with the greatest distance between low and high tides is called a ____ tide.
Spring
Inertia
Fill in the blanks with two different words:
The beginning of spring in the Northern Hemisphere is marked by a ____ equinox, and the beginning of fall in the Northern Hemisphere is marked by a ____ equinox.
Vernal
Autumnal
What time of day does a lunar eclipse occur?
At night
During this phase, the lighted part of the moon is increasing. The light on the right is new and bright!
Waxing Crescent
Describe the alignment of the Sun, Earth, and Moon during a Spring Tide.
Describe the alignment of the Sun, Earth, and Moon during a Neap Tide.
Spring Tide - The Sun, Earth, and Moon are in a straight line.
Neap Tide - The Sun, Earth, and Moon form a 90 degree angle.