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7th Grade Science Study Guide
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Astronomy
The study of the moon,stars, and other objects in space. Hexi 4 life.
Axis
An imaginary line that passes through earths center and North and South poles, about which earth spins. Hexi 4 life
Rotation
A spinning motion of a planets axis. Hexi 4 life
Revolution
The movement of an object around another object. Hexi 4 life
Orbit
The path of an object as it revolves around another object in space. Hexi 4 life
Solstice
The two days of the year on which the sun reaches its greatest distance north or south of the equator. Hexi 4 life
Equinox
The two days of the year on which neither hemisphere is tilted toward or away from the sun. Hexi 4 life
Gravity
The attractive force between objects; its strength depends on their masses and the distance between them. Hexi 4 life
Mass
The amount of matter in an object. Hexi 4 life
Weight
The force of gravity on an object. Hexi 4 life
Interia
The tendency of an object to resist a change in motion. Hexi 4 life
Maria
Dark,flat areas on the moon's surface formed from huge ancient lava flows. Hexi 4 life
Craters
A large round pit caused by the impact of a meteoroid. Hexi 4 life
Meteoroids
A chunk of rock or dust in space. Hexi 4 life
Umbra
The darkest part of a shadow.Hexi 4 life
Penumbra
The part of the shadow surrounding the darkest part.Hexi 4 life
Neap Tides
The tide with the least difference between consecutive low and high. Hexi 4 life
Spring Tides
The tide with the greatest difference between consecutive low and high tides.Hexi 4 life
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Author
Hexilol123
ID
333651
Card Set
7th Grade Science Study Guide
Description
Yassssss
Updated
2017-08-25T18:46:01Z
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