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science

TermDefinition
satellite An object that orbits a planet.
planet An object that orbits a star, is large enough to have become rounded by its own gravity, and has cleaned the area around its orbit.
meteor A streak of light in the sky produced by the burning of a meteoroid in Earths atmosphere.
comet A loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit.
star A ball on hot gas, primarily hydrogen and helium, that undergoes nuclear fusion.
constellation A pattern or grouping of stars that people imagine to represent a figure or object.
axis An imaginary line that passes through a planet's center and its north and south poles which is the planet rotates.
rotation The spinning motion of a planet on its axis
revolution The movement of and object around another object
orbit The path of an object as it revolves around another object in space
calendar A system of organizing time that defines the beginning, length of a year
solstice Either of the 2 days of the year on which the sun reaches greatest distance north or south poles of the equator
equinox Either 2 days of the year on which neither hemisphere is tilted toward or away from the sun
force A push or pull exerted on a object
gravity The attractive force between objects that force that moves objects downhill
law of universal gravitation The scientific law that states that every object in the universe attracts every other object
mass The amount of matter in a object
weight A measure of the force of gravity on a object
inertia The tendency of an object to resist a change in motion
Newton's first law of motion The scientific law that states that an object will stay at rest will stay at rest and a object in motion will stay in motion with a constant speed and direction unless acted on a force
phase One of the different shapes of the moon seen from earth
solar eclipse The blocking of sunlight to Earth that occurs when the moon is between the sun and earth
umbra The darkest part of a shadow
penumbra The part of the shadow surrounding the darkest part
lunar eclipse The blocking of sun light to the moon that occurs when the earth is between the sun and the moon
tide The periodic rise and fall of the level of the water in the ocean
spring tide The tide when the greatest difference between consecutive low and high tides
neap tide The tide with the least amount of difference between consecutive low and high tide
maria Dark, flat areas on the moon's surface from form huge ancient lava flows
crater A large pit caused by the impact of a meteoroid. 2 A bowl- shape area that forms around a volcano's central opening
meteoroid A chunk of rock or space dust in space, generally smaller than a asteroid
eclipse The partial or total blocking of one object in space by another
Created by: user-1975234
 

 



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