an object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit

a streak of light in the sky produced by the burning of a meteorid in Earth's atmosphere

a loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit.

a ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion

a pattern or grouping of stars that people imagine to represent a figure or object

an imaginary line that passes though a planets center and its north an south poles, about which the planet rotates

the spinning motion of a planet on its axis

the movement of an object around another object

the path of an object as it revolves around another object in space

a system of organizing time that defines the beginning, length, and divisions of a year.

either of the two days of the year on which the sun reaches its greatest distance north or south of the equator

either of the two days of the year on which neither hemisphere is tilted toward or away from the sun.

a push or pull exerted on an object

the attractive force between objects; the force that moves objects downhill.

law of universal gravitation

the scientific law that states that every object in the universe attracts every other object

the amount of matter in an object

a measure of the force of gravity on an object.

the tendency of an object to resist a change in motion

Newton's first law of motion

the scientific law that states than an 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.

one of the different apparent shapes of the moon as seen from earth

the partial or total blocking of one object in space by another

the blocking of sunlight to earth that occurs when the moon is directly between the sun and earth.

the part of a shadow surrounding the darkest part

the blocking of sunlight to the moon that occurs when earth Is directly between the sun and the moon.

the periodic rise and fall of the level of water in the ocean

the tide with the greatest difference between consecutive low and high tides.

the tide with the least difference between consecutive low and high tides

dark, flat areas on the moons surface formed from huge ancient lava flows

a large round pit caused by the impact of a meteorid; a bowl shaped area that forms around a volcanos central opening

a chunk of rock or dust in space, generally smaller than an asteroid

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chapter 1

space and science

Question	Answer
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 cleared the area of its orbit
meteor	a streak of light in the sky produced by the burning of a meteorid in Earth's atmosphere
comet	a loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit.
star	a ball of 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 though a planets center and its north an south poles, about which the planet rotates
rotation	the spinning motion of a planet on its axis
revolution	the movement of an 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, and divisions of a year.
solstice	either of the two days of the year on which the sun reaches its greatest distance north or south of the equator
equinox	either of the two days of the year on which neither hemisphere is tilted toward or away from the sun.
force	a push or pull exerted on an object
gravity	the attractive force between objects; the 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 an object
weight	a measure of the force of gravity on an object.
inertia	the tendency of an object to resist a change in motion
Newton's first law of motion	the scientific law that states than an 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.
phase	one of the different apparent shapes of the moon as seen from earth
eclipse	the partial or total blocking of one object in space by another
solar eclipse	the blocking of sunlight to earth that occurs when the moon is directly between the sun and earth.
umbra	the darkest part of a shadow
penumbra	the part of a shadow surrounding the darkest part
lunar eclipse	the blocking of sunlight to the moon that occurs when earth Is directly between the sun and the moon.
tide	the periodic rise and fall of the level of water in the ocean
spring tide	the tide with the greatest difference between consecutive low and high tides.
neap tide	the tide with the least difference between consecutive low and high tides
maria	dark, flat areas on the moons surface formed from huge ancient lava flows
crater	a large round pit caused by the impact of a meteorid; a bowl shaped area that forms around a volcanos central opening
meteoroid	a chunk of rock or dust in space, generally smaller than an asteroid

Created by: mia kovalchik

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