The spinning motion of a planet or other object around its axis.

The time it takes for a planet to complete one full rotation on its axis.

The movement of one object around another object in space, such as a planet orbiting the Sun.

The time it takes for a planet to complete one full orbit around the Sun.

A division of the year marked by specific weather patterns and daylight hours, caused by the tilt of the Earth's axis as it orbits the Sun.

The time when the sun crosses the celestial equator, resulting in nearly equal amounts of daylight and darkness everywhere on Earth.

Either of the two times in the year, the summer solstice or the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest or shortest days.

An object that orbits a planet, a star, or another celestial body. It can be natural, like the Moon orbiting Earth, or artificial, like a communication satellite.

A fundamental force of attraction that exists between any two objects with mass or energy. It is the force that keeps planets in orbit around stars and moons in orbit around planets.

The different shapes of the illuminated portion of the Moon as seen from Earth, caused by the Moon's orbital position relative to the Earth and the Sun.

An astronomical event that occurs when one celestial body moves into the shadow of another celestial body or has another celestial body pass between it and the observer.

The darkest, innermost part of a shadow cast by a celestial body during an eclipse, where the light source is completely blocked.

The lighter, outer part of a shadow cast by a celestial body during an eclipse, where the light source is only partially blocked.

The periodic rise and fall of the ocean's surface level, primarily caused by the gravitational forces exerted by the Moon and the Sun on Earth.

The vertical difference in height between the high tide mark and the succeeding low tide mark.

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Unit 4

vocab space

Term	Definition
rotation	The spinning motion of a planet or other object around its axis.
day	The time it takes for a planet to complete one full rotation on its axis.
revolution	The movement of one object around another object in space, such as a planet orbiting the Sun.
year	The time it takes for a planet to complete one full orbit around the Sun.
season	A division of the year marked by specific weather patterns and daylight hours, caused by the tilt of the Earth's axis as it orbits the Sun.
equinox	The time when the sun crosses the celestial equator, resulting in nearly equal amounts of daylight and darkness everywhere on Earth.
solstice	Either of the two times in the year, the summer solstice or the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest or shortest days.
satelite	An object that orbits a planet, a star, or another celestial body. It can be natural, like the Moon orbiting Earth, or artificial, like a communication satellite.
gravity	A fundamental force of attraction that exists between any two objects with mass or energy. It is the force that keeps planets in orbit around stars and moons in orbit around planets.
lunar phases	The different shapes of the illuminated portion of the Moon as seen from Earth, caused by the Moon's orbital position relative to the Earth and the Sun.
eclipse	An astronomical event that occurs when one celestial body moves into the shadow of another celestial body or has another celestial body pass between it and the observer.
umbra	The darkest, innermost part of a shadow cast by a celestial body during an eclipse, where the light source is completely blocked.
penumbra	The lighter, outer part of a shadow cast by a celestial body during an eclipse, where the light source is only partially blocked.
tide	The periodic rise and fall of the ocean's surface level, primarily caused by the gravitational forces exerted by the Moon and the Sun on Earth.
tidal range	The vertical difference in height between the high tide mark and the succeeding low tide mark.

Created by: Javier velez

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