Type
Crossword
Description

This crossword contains the following questions and answers:

- a possible source of danger HAZARD
- an action taken before a science investigation to guard against possible danger PRECAUTION
- the presence or the reasonably anticipated presence of blood or other potentially infectious materials on an item or surface. CONTAMINATED
- to move or be moved lightly over water or air; to drift WAFT
- a problem to be tested QUESTION
- a guess based prior knowledge that can be tested. HYPOTHESIS
- gathering specific information to answer a question. INVESTIGATION
- a condition or factor that is kept the same throughout an experiment CONTROL
- a condition or factor that changes in an investigation so the effects can be observed VARIABLE
- Detailed records of experimental observation. DATA
- the scientific study of celestial objects (such as stars, planets, moons, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere ASTRONOMY
- suffix meaning the study of OLOGY
- the study of Earth's atmosphere METEOROLOGY
- The science devoted to the study of the Earth, particularly the solid Earth and the rocks that compose it. GEOLOGY
- The scientific study of oceans, the life that inhabits them, and their physical characteristics, the movement and chemical makeup, and the topography and composition of the ocean floors. OCEANOGRAPHY
- abbreviation for the International System of units from the French Système international; modern form of the metric system, and is the most widely used system of measurement. SI
- the SI base unit of thermodynamic temperature, equal in magnitude to the degree Celsius. KELVIN
- the actual amount of material contained in a body. MASS
- The amount of space occupied by a three-dimensional object; expressed in cubic units. VOLUME
- measure of mass per unit of volume. DENSITY
-all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds. HYDROSPHERE
- the envelope of gases surrounding the earth or another planet. ATMOSPHERE
- the part of the earth's crust, waters, and atmosphere that supports life. BIOSPHERE
- (geosphere) The outer part of the Earth, consisting of the crust and upper mantle. LITHOSPHERE
- the region below the lithosphere, where the rock is less rigid than that above and below but rigid enough to transmit transverse seismic waves. ASTHENOSPHERE
- the outermost layer of the earth's atmosphere; extends from about 400 km above the earth's surface. EXOSPHERE
- an atmospheric layer lying between the mesosphere and the exosphere, reaching an altitude of about 400 kilometers. THERMOSPHERE
- the atmospheric layer lying between the stratosphere and the thermosphere, characterized by a rapid decrease in temperature with height. MESOSPHERE
- the atmospheric layer lying between the troposphere and thermosphere, in which temperature generally increases with height. STRATOSPHERE
- Earth’s lowest atmospheric layer. TROPOSPHERE
- The motion of an object around a point, especially around another object or a center of mass. REVOLUTION
- The motion of an object around an internal axis. ROTATION
- The center of mass of two or more bodies, usually bodies orbiting around each other, such as the Earth and the Moon. BARYCENTER
- the movement of the rotational axis of an astronomical body, whereby the axis slowly traces out a cone. PRECESSION
- the periodic oscillation (circular motion the repeats itself during a certain length of time) observed in the precession of the earth's axis and the precession of the equinoxes. NUTATION
- 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
- the point in the orbit of the moon or a satellite at which it is nearest to the earth. PERIGEE
- the point in the orbit of the moon or a satellite at which it is furthest from the earth. APOGEE
- the two days of the year when the sun is at a direct distance above the equator. SOLSTICE
-the two days of the year on which neither hemisphere is tilted toward or away from the sun; when the sun crosses the plane of the earth's equator. EQUINOX
- the day that marks the beginning of spring in the Northern Hemisphere. VERNALEQUINOX
- The day of the year that marks the beginning of fall in the Northern Hemisphere. AUTUMNALEQUINOX
- lean away or towards the sun at an angle. TILT
- Effect on earth that deflects moving bodies to the right in the northern hemisphere and to the left in the southern hemisphere. CORIOLISEFFECT

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Astronomy Crossword Puzzle

Type
Crossword
Description

This crossword contains the following questions and answers:

A large cloud of gas and dust, spread out in an immense volume. nebula
A contracting cloud of gas and dust with enough mass to form a star. protostar
An object whose gravity is so strong that nothing, not even light can escape. blackhole
The brilliant explosion of a dying supegiant star. supernova
An imaginary pattern of stars in the sky. constellation
The blue-white hot core of a star that is left behind after its outer layers have expanded and drifted out into space. whitedwarf
The tendency of an object to resist any change in its motion. inertia
The force that pulls objects towards each other. gravity
A huge, reddish loop of gas that protrudes from the sun's surface, linking parts of sunspot regions. prominences
A dark area of gas on the sun's surface tht is cooler that surrounding gases. sunspots
Rocky objects revoloving around the sun that are too small and numerous to be considered a planet. asteroids
A loose collection of ice, dust, and small rocky particles, typically with a long, narrow orbit. comet
The solid inner core of a comet. nucleus
The fuzzy outer layer of a comet. coma
The small, dense remains of a high-mass star after a supernova. neutronstar
The study of moons, stars, and other objects in space. astronomy
The apparent change in position of an object when seen from different places. parallax
All of space and everything in it. universe
A huge group of a single stars, star systems, star clusters, dusts, and gas bound together by gravity. galaxy
One of the small asteroid-like bodies that formed the building blocks of the planets. planetesimals
The movement of an object around another object. revolution
The spinning motion of a planet on its axis. rotation
A small, old, relatively coolo star. reddwarf
An artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication. satellite
A stream of electronically charged particles that emanate from the sun's corona. solarwind

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Solar system Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

the envelope of gases surrounding the earth or another planet. Atmosphere
a large planet of relatively low density consisting predominantly of hydrogen and helium, such as Jupiter, Saturn, Uranus, or Neptune. Gas Giant
the force that attracts a body toward the center of the earth, or toward any other physical body having mass. Gravity
a planet whose orbit lies within the asteroid belt, i.e., Mercury, Venus, Earth, or Mars. Inner planet
the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution. Orbit
a planet whose orbit lies outside the asteroid belt, i.e., Jupiter, Saturn, Uranus, or Neptune. outer planet
a celestial body moving in an elliptical orbit around a star. Planets
planet is a planet that is composed primarily of silicate rocks or metals. Rocky Planets
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 time taken by a planet to make one revolution around the sun. year
is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune. Pluto
The Great Red Spot is a giant, spinning storm in Jupiter's atmosphere. Great Red Spot
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
noun: meteor; plural noun: meteors 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 small rocky body orbiting the sun. Asteroid
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere. Meteroid
a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such. Dwarf Planet

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Planets Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

the envelope of gases surrounding the earth or another planet Atmosphere
a large planet of relatively low density consisting predominantly of hydrogen and helium, such as Jupiter, Saturn, Uranus, or Neptune. Gas Giant
the force that attracts a body toward the center of the earth, or toward any other physical body having mass Gravity
a planet whose orbit lies within the asteroid belt Inner planet
the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution Orbit
a planet whose orbit lies outside the asteroid belt Outer planets
a celestial body moving in an elliptical orbit around a star Planets
is a planet that is composed primarily of silicate rocks or metals Rocky planets
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 time taken by a planet to make one revolution around the sun Year
s usually the most distant planet in the solar system Pluto
is a great anti-cyclonic (high pressure) storm akin to a hurricane on Earth, but it is enormous (three Earths would fit within its boundaries) and it has persisted for at least the 400 years that humans have observed it through telescopes Great Red Spot
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 small rocky body orbiting the sun Asteroid
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere Meteroid
a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such Dwarf Planets

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6th Grade Science Project Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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The Solar System (Chapter 15) Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

term describing a model of the universe in which Earth is at the center of the revolving planets and stars geocentric
term describing a model of the solar system in which Earth and the other planets revolve around the sun heleocentric
an oval shape, which may be elongated or nearly circular; the shape of the planets' orbits ellipse
the system consisting of the sun and the planets and other objects that revolve around it solar system
a unit of distance equal to the average distance between Earth and the Sun astronomical unit
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 planet
an object that orbits the sun and is spherical, but has not cleared the area of its orbit dwarf planet
one of the small asteroid-like bodies that formed the building blocks of the planets planetesimal
the name given to the four inner planets; Mercury, Venus, Earth, Mars terrestrial planets
the trapping of heat near a planet's surface by certain gases in the planet's atmosphere greenhouse effect
the name often given to the outer planets: Jupiter, Saturn, Uranus, Neptune gas giant
a thin disk of small ice and rock particles surrounding a planet ring
the region of the solar system between the orbits of Mars and Jupiter, where many asteroids are found asteroid belt
a region where many small objects orbit the sun and taht stretches from beyond teh orbit of Neptune to about 100 times Earth's distance from the Sun Kuiper Belt
a spherical region of comets that surrounds the solar system Oort Cloud
a loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit comet
the fuzzy outer layer of a comet coma
the central core of an atom which conatins protons and nuetrons OR/ALSO the solid core of a comet nucleus
one of the rocky objects revolving around the sun that are too small and numerous to be considered planets asteroid
a chuck of rock or dust in space, generally smaller than an asteroid meteoroid
a streak of light in the sky produced by the burning of a meteoroid in Earth's atmopshere meteor
a meteoroid that passes through the atmosphere and hits Earth's surface meteorite
the outer layer of the sun's atmosphere corona
an eruption of gas from the sun's surface that occurs when the loops in sunspot regions suddenly connect solar flare
a stream of electrically charged particles that emanate from the sun's corona solar wind
a dark area of gas on the sun's surface that is cooler than surrounding gases sunspot
a huge reddish loop of gas that protrudes from the sun's surface, linking parts of sunspot regions prominence

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The Sun-Earth-Moon System Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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The Solar System Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

the envelope of gases surrounding the earth or another planet atmosphere
a large planet of relatively low density consisting predominantly of hydrogen and helium, such as Jupiter, Saturn, Uranus, or Neptune gas gaint
the force that attracts a body toward the center of the earth, or toward any other physical body having mass gravity
a planet whose orbit lies within the asteroid belt, i.e., Mercury, Venus, Earth, or Mars inner planet
a planet whose orbit lies outside the asteroid belt, i.e., Jupiter, Saturn, Uranus, or Neptune outer planet
the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution orbit
a celestial body moving in an elliptical orbit around a star planets
a planet that is composed primarily of silicate rocks or metals rocky planets
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 time taken by a planet to make one revolution around the sun year
a small planetary body orbiting the sun pluto
a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such dwarf planet
a large, usually reddish gaseous vortex on the surface of Jupiter great red spot
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 small rocky body orbiting the sun asteroid
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere meteoroid

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Astronomy Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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Earth, Sun, and Moon Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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Earth, Moon and Sun Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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