Type
Crossword
Description

a round solid figure, or its surface, with every point on its surface equidistant from its center. sphere
an imaginary line about which a body rotates. axis
the action of rotating around an axis or center. rotation
an instance of revolving. revolution
an obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination eclipse
when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days. solstice
the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length (about September 22 and March 20). equinox
the shape of the illuminated (sunlit) portion of the Moon as seen by an observer on Earth. moon phase
the phase of the moon when it is in conjunction with the sun and invisible from earth, or shortly thereafter when it appears as a slender crescent. new moon
(of the moon between new and full) have a progressively larger part of its visible surface illuminated, increasing its apparent size. waxing
the phase of the moon in which its whole disk is illuminated. full moon
"shrinking" or decreasing in illumination. waning
an eclipse in which the sun is obscured by the moon. solar eclipse
an eclipse in which the moon appears darkened as it passes into the earth's shadow. lunar eclipse
the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane. tilt
Diffused light, as opposed to the direct rays of the sun indirect sunlight
the sun shines directly direct sunlight
the path followed by an object revolving around another object, under the influence of gravitation (see satellite). orbit

The Sun-Earth-Moon System Crossword

Type
Crossword
Description

imaginary vertical line that cuts through the center of Earth around which Earth spins Axis
a round, three-dimensional object whose surface is the same distance from its center at all points SPhere
Earth's yearlong elliptical orbit around the Sun revolution
occurs when the Moon pauses directly between the Sun and Earth and cast a shawdow over part of Earth solar eclipse
change in appearance of the Moon as viewed from the Earth moon phase
moon phase that occurs when the Moon is between Earth and the Sun new moon
curved path followed by a satellite as it revolves around an onject orbit
describes phase that occur after a full moon as the visible lighted side of the Moon grows smaller waning
phase that occurs when all of the Moon's surface facing Earth reflects light. full moon
describes phase following a new moon, as more of the Moon's lighted side becomes visible waxing
twice-yearly point at which the Sun reaches its greatest distance north or south of the equator solstice
occurs when Earth's shawdow falls on the Moon lunar eclipse
move or cause to move into a sloping position tilt
spinning of Earth on its imaginary axis rotation
twice-yearly time-each spring and fall-when the Sun is directly over the equator and the number of daylight and nighttime hours are equal worldwide equinox
the partial or total blocking of light of one celestial object by another eclipse
the sun shines directly on the plant with no other plants, trees, or structures interfering with the sunlight direct sunlight
sunlight that reaches the Earth’s surface after being dispersed in the atmosphere over haze, dust and clouds indirect sunlight

Earth, Moon and Sun Crossword

Type
Crossword
Description

Imaginary line through Earth's center Axis
In relation to the Sun Tilt
Caused by the tilt of Earth's axis as the Earth travel around the Sun Seasons
Two days of the year on which neither hemisphere is tilted toward or away from the Sun (September 22 and March 21) Equinox
Two days of the year on which the noon sun is directly overhead at either 23.5 south or north (December 21 and June 21) Solstice
Moon is getting larger in the sky, moving from the New Moon towards the Full Moon Waxing
Different shapes of the moon as seen from earth Phases
Moon is decreasing in size, moving from the Full Moon towards the New Moon Waning
The spinning motion of a planet on its axis Rotation
When half of the Moon's Earth facing side is lit by the sun First quarter
Decreases in size from sunlight Gibbous
When just half of the moon's Eartg-facing side is visible Third quarter
The moon face is completely lit Full moon
Thin silver of the moon Crescent
When the side of the moon is facing earth also faces directly away from the sun New moon
Caused by the interaction of the Earth, Moon and Sun Tides
The movement of an object around another object Revolution
Blocking light from one celestial body by the passage of another between it Eclipse
When the moon passes between the Son and Earth Solar Eclipse
When the moon passes through earth shadow Lunar eclipse

Solar System Crossword

Type
Crossword
Description

Each of the 4 divisions of the year. seasons
an imaginary straight line through Earth about which an object may rotate or that divides an object into symmetrical halves earth's axis
The distance that light travels in one year. light year
A celestial body moving in an elliptical orbit around a star. planets
The natural satellite of the earth. moon
A small rocky body orbiting the sun. asteroids
A celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun. comets
An eclipse in which the sun is obscured by the moon. solar eclipse
An eclipse in which the moon appears darkened as it passes into the earth's shadow. lunar eclipse
A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction. galaxies
The collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets solar system
The curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution. orbit
An instance of revolving. revolution
The action of rotating around an axis or center. rotation
A unit of length, roughly the distance from Earth to the Sun. au
The shape of the illuminated portion of the Moon as seen by an observer on Earth lunar phases

Moon Crossword

Type
Crossword
Description

A round solid figure (the shape of the Earth) sphere
an imaginary line which a body rotates axis
the action of spining on an axis rotation
the partial or total blocking of light of one celestial object by another eclipse
when the sun reaches its highest point in the sky at noon solstice
the time or date at which the sun crosses the equator (2 each year) equinox
the different shapes that the Moon have when it is observed from Earth. This is due to the location of the Moon in its orbit, so that we only see a portion of its surface as illuminated by the Sun moon phase
The path of a celestial body or an artificial satellite as it revolves around another body due to their mutual gravitational attraction (To revolve around a body) orbit
first phase of the Moon, when it orbits as seen from the Earth, the moment when the Moon and the Sun have the same ecliptical longitude (the moon is not visible at this time) new moon
to decrease periodically in the extent of its illuminated portion after the full moon waning
the moon when it appears larger each night as it goes from new moon to full moon waxing
the phase of the moon when it appears fully illuminated full moon
when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun solar eclipse
occurs when the Moon passes directly behind the Earth into its shadow lunar eclipse
the angle between an object's rotational axis and its orbital axis tilt
to move in a circular orbit around an object/space revolution
when sunlight reaches the Earth's surface when there is no cloud cover between the sun and the Earth direct sunlight
when sunlight is blocked by cloud cover indirect sunlight

Gravity Crossword

Type
Crossword
Description

The spinning motion of a planet in its axis. ROTATION
The blocking of sunlight that occurs when the moon is in between the Earth and the sun. SOLARECLIPES
The two days of the year on which the sun is at its greatest distance. SOLSTICE
A tide with the greatest distance between a low and high tide. SPRINGTIDE
A rise and fall of the ocean due to the moons gravity. TIDE
The darkest part of a shadow UMBRA
The force of gravity on an object. WEIGHT
The study of the moon, stars, and other objects in space. ASTRONOMY
An imaginary line between the North and South poles. AXIS
The partial or total blocking of an object in space ECLIPSE
A push or pull exerted on an object. FORCE
A force that pulls rocks and other materials and attracts objects together. GRAVITY
The blocking of sunlight that occurs when the Earth is directly in front of the moon. LUNARECLIPSE
The amount of matter in an object. MASS
A tide with the least difference between a low and high tide that occurs when the sun and the moon pull with right angles at each other at the first and third quarters. NEAPTIDE
The path of an object that revolves around another object in space. ORBIT
Partially shaded outer region of the darkest part of the shadow. PENUMBRA
One of the different apparent shapes on the moon as seen on Earth. PHASES
The tendancy of an object to resist change of motion. INERTIA
The partial or total blocking of an object by another in space Equinox

Space Science Vocabulary Crossword

Type
Crossword
Description

the path of an object in space as it moves around another object due to gravity orbit
everything-space and all the matter and energy in it universe
a group of millions of stars held together by their own gravity galaxy
a group of stars that form a pattern in the sky constellation
the distance between one wave peak and the next wave wavelength
the range of colors that appears in a beam of visible light spectrum
an object that orbits a more massive object satellite
a spacecraft that passes one or more planets flyby
a spacecraft used to study a planet over a long period of time orbiter
used to land instruments on a planet lander
the imaginary line which a turning body rotates axis of rotation
the motion of one object around another revolution
patterns of temperature changes caused by the position of the Earth's axis relative to the direction of sunlight season
the patterns of lit and unlit portions of the Moon as seen from Earth lunar phases
the moon becomes dark because it passes through the Earth's shadow lunar eclipse
the sun seems to darken because the Moon's shadow falls onto part of Earth solar eclipse
the darkest part of the shadow umbra
a region of lighter shadow that surrounds an umbra penumbra

Astronomy Crossword

Type
Crossword
Description

a group of stars forming a recognizable pattern that is traditionally named after its apparent form or identified with a mythological figure. constellation
a fixed luminous point in the night sky that is a large, remote incandescent body like the sun. Star
a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun. Comet
a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light. Meteor
a celestial body moving in an elliptical orbit around a star. Planet
the time or date at which the sun crosses the celestial equator, when day and night are of equal length. Equinox
the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution. orbit
an imaginary line about which a body rotates. axis
he force that attracts a body toward the center of the earth, or toward any other physical body having mass. Gravity
an obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination. Eclipse
the luminous envelope of a star from which its light and heat radiate. photosphere
a reddish gaseous layer immediately above the photosphere of the sun or another star. Together with the corona, it constitutes the star's outer atmosphere. chromosphere
a small rocky body orbiting the sun. Large numbers of these, ranging in size from nearly 600 miles across to dust particles, are found especially between the orbits of Mars and Jupiter, though some have more eccentric orbits, and a few pass close to the earth or enter the atmosphere as meteors. Asteroid
the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun. Perihelion
the point in the orbit of a planet, asteroid, or comet at which it is furthest from the sun. Aphelion
a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction. Galaxy
the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse. Umbra
a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass. Supernova
the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets. Solar System
a small, rapidly moving meteor burning up on entering the earth's atmosphere. Shooting Star
a celestial object of very small radius (typically 18 miles/30 km) and very high density, composed predominantly of closely packed neutrons. Neutron Star
A faint band of light crossing the sky, made up of vast numbers of faint stars. It corresponds to the plane of our Galaxy, in which most of ours stars are located. Milky Way
an eclipse in which the moon appears darkened as it passes into the earth's shadow. Lunar Eclipse
an eclipse in which the sun is obscured by the moon. Solar Eclipse
(of the moon) having the observable illuminated part greater than a semicircle and less than a circle. Gibbous
a region of space having a gravitational field so intense that no matter or radiation can escape. Black Hole
a system of two stars in which one star revolves around the other or both revolve around a common center. Binary Star
the lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7–6.2 miles (6–10 km), which is the lower boundary of the stratosphere. troposphere
he layer of the earth's atmosphere above the troposphere, extending to about 32 miles (50 km) above the earth's surface (the lower boundary of the mesosphere). stratosphere
a star showing a sudden large increase in brightness and then slowly returning to its original state over a few months. Nova
the region surrounding the earth or another astronomical body in which its magnetic field is the predominant effective magnetic field. magnetosphere
the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles (80 to 1,000 km) above the earth's surface. Ionosphere
the outermost region of a planet's atmosphere. exosphere

Earth, Sun, and Moon Crossword

Type
Crossword
Description

the gravitationally bound system comprising the Sun and the objects that orbit it SOLARSYSTEM
the star at the center of the Solar System and is by far the most important source of energy for life on Earth SUN
a luminous sphere of plasma held together by its own gravity STAR
Earth's only natural satellite MOON
minor planets, especially those of the inner Solar System ASTEROID
an icy small Solar System body COMET
a small rocky or metallic body travelling through space METEOR
all of time and space and its contents UNIVERSE
planet closest to the sun MERCURY
second planet from the sun VENUS
third planet from the sun, the planet we live on EARTH
forth planet from the sun MARS
fifth planet from the sun JUPITER
sixth planet from the sun SATURN
seventh planet from the sun URANUS
eighth planet from the sun NEPTUNE
a straight-line configuration of three celestial bodies in a gravitational system ALIGNMENT
the shape of the illuminated portion of the Moon as seen by an observer on Earth PHASESOFTHEMOON
when the Moon passes between the Sun and Earth SOLARECLIPSE
when the Moon passes directly behind the Earth into its umbra LUNARECLIPSE
the angle between an object's rotational axis and its orbital axis TILTOFEARTH
bright or shining, especially in the dark LUMINOUS
have a progressively smaller part of its visible surface illuminated WANING
have a progressively larger part of its visible surface illuminated WAXING
a curve on a plane that surrounds two focal points ELLIPSE

6th Grade Science Project Crossword

Type
Crossword
Description

Any of the large celestial bodies that revolve around the Sun in the solar system planets
a small object that enters Earth's atmosphere from space and burns due to friction, emitting light meteor
The four largest and brightest moons of Jupiter, which were discovered by Galileo Galilei: Ganymede, Io, Callisto, and Europa Galilean moons
Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets Asteroid
A celestial body of ice, dust, and rock with an elongated and elliptical orbit Comet
the force that causes objects with mass to attract one another Gravity
the whole mass of air surrounding a planet Atmosphere
move in an elliptical path around a center Revolution
The gravitationally-curved path of an object around a point in space Orbit
To spin on an axis; the spinning of Earth on its axis that causes day and night to occur Rotation
Composition of outer planets whose atmosphere is made of gases Gaseous
relating to the land Terrestrial
The region between the inner and outer planets where most asteroids orbit around the Sun Asteroid belt
A reusable spacecraft designed to transport people and cargo between Earth and space Space shuttle
A vehicle or device designed for travel or operation outside Earth's atmosphere Spacecraft
a large artificial satellite used as a long-term base for manned operations in space. Space station
An unmanned spacecraft designed to explore the solar system and transmit data back to Earth Space probe
an engine that provides thrust directly through the burning of its fuel without requiring the intake of air Rocket
A vehicle for exploring the surface of an extraterrestrial body (such as the Moon and Mars) Rover
National Aeronautics and Space Administration; the American governmental agency dedicated to space exploration NASA

Eclipse Crossword

Type
Crossword
Description

an eclipse in which the sun is obscured by the moon solar eclipse
an eclipse in which the moon appears darkened as it passes into the earth's shadow lunar eclipse
the area on the earth or moon experiencing the total phase of an eclipse umbra
he shadow cast by the earth or moon over an area experiencing a partial eclipse penumbra
a dark area or shape produced by a body coming between rays of light and a surface shadows
the phase of the moon in which its whole disk is illuminated full moon
the phase of the moon when it is in conjunction with the sun and invisible from earth, or shortly thereafter when it appears as a slender crescent new moon
the star around which the earth orbits sun
the natural satellite of the earth, visible by reflected light from the sun moon
the planet on which we live — the third planet from the sun earth