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Astronomy 8th Word Scramble

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Question	Answer
Rotation	Spinning of the Earth on its axis.
Axis	Imaginary line that passes through the Earth's center.
Umbra	Darkest part of the moon's shadow.
Penumbra	The larger part of the shadow.
Revolution	The movement of one object around another.
Lunar Eclipse	Occurs at full moon, when the Earth is directly between the moon and sun.
Orbit	The path the Earth follows as it revolves around the sun.
Total Lunar Eclipse	When the moon is in the Earth's umbra.
Calendar	A system of organizing time, that defines the beginning, length and divisions of a year.
Solstice	When the sun reaches its greatest distance north and south of the equator twice each year.
Partial Lunar Eclipse	Occurs when the moon passes partly into the umbra of the earth's shadow.
Equinox	Halfway between the solstice, when neither hemisphere is tilted toward or away from the sun.
Tide	the rise and fall of ocean water
force	a push or pull
spring tide	a tide with the greatest difference between consecutive high and low tides
gravity	the attractive force between objects
neap tide	a tide with the least difference between consecutive high and low tides.
newton's law of universal gravititaion	states that every oject in the universe attracts every other object
telescope	a device built to look at distant objects by making them appear closer
mass	amount of matter in an object
maria	the dark, flat surfaces of the moon
weight	force of gravity on an object
craters	large, round pits in the moon's surface
inertia	when an object resists a change in motion
highlands	mountains which cast dark shadows due to its peaks and the rim of the craters
newton's first law of motion	and object at rest will stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted on by a force
phases	the different shapes of the moon seen from earth.
eclipse	when an object in space comes between the sun and a third object. it puts a shadow on that object.
rocket	a device that releases gas in one direction and moves in the opposite
apollo program	the american effort to land a man on the moon
thrust	the reaction force that propels a rocket forward
neil armstrong and buzz aldrin	both entered a tiny spacecraft called the eagle
velocity	speed in a given reaction
moonquakes	caused apollo astronauts to crash equipment on the moon's surface
orbital velocity	required of a rocket to start an orbit around the earth
space shuttle	a spacecraft that can carry a crew into space, return to earth and then be reused for the same purpose