A giant ball of super heated gas, or plasma, composed of hydrogen and helium.

Spherical, orbits the Sun, with a larger mass than nearby objects.

A small piece of rock or ice that makes a streak of light.

A cold mixture of dust and ice that develops a long trail of light as it approaches the Sun.

A pattern or group of stars that people imagine represents a figure, animal, or object.

The oval shape orbit of each planet.

The largest object in our solar system.

An imaginary line that passes from the North Pole to the South Pole.

The spinning of Earth on its axis.

The movement of one object around another.

The path a planet follow when they revolve around the Sun.

When either the Northern or Southern Hemisphere is at its strongest tilt towards or away from the Sun which causes the longest or shortest daylight of the year.

When neither hemisphere is tilted towards the Sun and both day and night are 12 hours long.

The force that attracts all objects towards each other.

Law of Universal Gravitation

Every object attracts every other object. The strength of the force of gravity depends on two factors: the masses of the objects and the distance between them.

Force that keeps planets in motion.

Different shapes of the moon you see.

When the moon passes directly between the Earth and Sun during a new moon.

Occurs during a full moon when Earth is directly between the moon and Sun.

Darkest part of a shadow where light is completely blocked.

Area of a shadow where light is partially blocked.

Daily rise and fall of ocean water.

Higher high tides during full and new moons.

Lower high tides during first and third quarter moons.

Dark, smooth, lava covered areas on the moon.

Higher lighter areas on the moon covered with craters.

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Sun,Earth,Moon

Term	Definition
Satellite	A body that orbits a planet.
Star	A giant ball of super heated gas, or plasma, composed of hydrogen and helium.
Planet	Spherical, orbits the Sun, with a larger mass than nearby objects.
Meteor	A small piece of rock or ice that makes a streak of light.
Comet	A cold mixture of dust and ice that develops a long trail of light as it approaches the Sun.
Constellation	A pattern or group of stars that people imagine represents a figure, animal, or object.
Geocentric	Earth-centered model.
Heliocentric	Sun-centered model.
Ellipse	The oval shape orbit of each planet.
Sun	The largest object in our solar system.
Axis	An imaginary line that passes from the North Pole to the South Pole.
Rotation	The spinning of Earth on its axis.
Revolution	The movement of one object around another.
Orbit	The path a planet follow when they revolve around the Sun.
Solstice	When either the Northern or Southern Hemisphere is at its strongest tilt towards or away from the Sun which causes the longest or shortest daylight of the year.
Equinox	When neither hemisphere is tilted towards the Sun and both day and night are 12 hours long.
Gravity	The force that attracts all objects towards each other.
Law of Universal Gravitation	Every object attracts every other object. The strength of the force of gravity depends on two factors: the masses of the objects and the distance between them.
Inertia	Force that keeps planets in motion.
Phase	Different shapes of the moon you see.
Solar eclipse	When the moon passes directly between the Earth and Sun during a new moon.
Lunar eclipse	Occurs during a full moon when Earth is directly between the moon and Sun.
Umbra	Darkest part of a shadow where light is completely blocked.
Penumbra	Area of a shadow where light is partially blocked.
Tide	Daily rise and fall of ocean water.
Spring tide	Higher high tides during full and new moons.
Neap tide	Lower high tides during first and third quarter moons.
Maria	Dark, smooth, lava covered areas on the moon.
Highlands	Higher lighter areas on the moon covered with craters.
Weight	Force of gravity on an object.

Created by: user-1979321

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