Type
Crossword
Description

Which planet is closest to the sun? Mercury
What do the planets in our solar system orbit? sun
What causes the seasons? revolution
What causes day and night? rotation
What planet do we live on? Earth
Which planet is the second closest to the sun? Venus
Which planet is the farthest from the sun? Neptune
Which planet is the sixth from the sun? Saturn
What is the seventh planet from the sun? Uranus
Which planet is the fourth from the sun? Mars
What do we call the changes that the moon goes through each month? phases
What is a person that travels to space called? astronaut
Which planet is the fifth from the sun? Jupiter
How long does it take for the Earth to revolve around the sun? year
How long does it take the Earth to complete one rotation? day

Planets Crossword

Type
Crossword
Description

closest to sun Mercury
hottest planet venus
planet with life earth
Largest planet Jupiter
planet with least density Saturn
2nd farthest planet from the sun Uranus
coldest planet Neptune
source of light sun
What all planets do around the sun revolution
what all planets do on their axis Rotation
time it takes earth to rotate on its axis day
time it takes earth to revolve around the sun year
number of planets eight
the planet's path around the sun orbit
what keeps the planets in orbit gravity
used to be a planet pluto
deflects the light of the sun the moon
most planets can have __________ moons
can be seen in the distance stars
Mercury is the _______ planet to the sun closest

Planet crossword

Type
Crossword
Description

What planet is closest to the sun? Mercury
Which planet is farthest from the sun? Neptune
What planet is known as the "red planet"? Mars
What planet has rings? Saturn
What planet comes right after the asteroid belt? Jupiter
What kind of planet is Pluto? Dwarf
Name of plutos twin. Eris
What planet do we live on? Earth
What dwarf planet is in the asteroid belt? Ceres
How many planets are there? Nine
How many dwarf planets are there? Four
How many moons does Mars have? Two
How many moons does Jupiter have? Sixty-seven
How many moons does Saturn have? Sixty-two
How many moons does Uranus have? Twenty-seven
How many moons does earth have? One
True or false Neptune has an atmosphere True
Earth is made primarily of Water
Which way does earth rotate Left
which planet is the hottest Venus

Astronomy Crossword

Type
Crossword
Description

the seventh planet from the Sun Uranus
meteor that survives the trip through the Earth's atmosphere and hits Earth's surface meteorite
the smallest planet and the closest to the Sun Mercury
word for the complete orbit of a planet revolution
the farthest planet from the sun Neptune
the second planet from the Sun Venus
time it takes for Earth to make one trip or revolution around the sun year
the currently believed scientific explanation for how the universe began BigBang
everything that exists anywhere including planets, stars, galaxies and all forms of matter and energy universe
marks the longest or the shortest day of the year solstice
the sixth planet from the sun Saturn
a meteoroid that burns up as it passes through the Earth's atmosphere creating a streak of light in the sky meteor
first human to step foot on the moon Armstrong
number of planets in our Solar System eight
the path one object takes around another orbit
dwarf planet Pluto
the study of space astronomy
shape of a planet's orbit ellipse
small particle from a comet or asteroid orbiting the sun meteoroid
rocky metallic objects that orbit the sun asteroids
the fifth planet from the Sun Jupiter
a large body that revolves around the Sun in the Solar System planet
the fourth planet from the Sun Mars
refers to a planet spinning on it's axis, or imaginary line that goes through the center of the planet rotation
why the moon remains close to the Earth gravity
created by asteroids and meteorites that crashed into the moon over the years craters
a common, middle sized yellow star sun
it orbits the Earth moon
created by Earth orbiting the Sun and its tilt seasons
a large group of stars, gas, and dust held together by gravity galaxy
the third planet from the Sun Earth

Planets and History of Astronomy Crossword

Type
Crossword
Description

The Moon block the light from the Sun reaching the Earth (order S.M.E.) Solar Eclipse
This defines a _________ 1) is in orbit around the Sun, 2) has sufficient mass so that it assumes a hydrostatic equilibrium (nearly round) shape, and 3) has cleared the neighborhood around it's orbit. Planet
The Earth block the light from the Sun reaching the Moon (order S.E.M.) Lunar Eclipse
How much of the moon is always lit, whether we see it or not? Half
The illuminated portion of the Moon is decreasing. The left side is lit. Waning Phases
The illuminated portion of the Moon is increasing. The right side is lit. Waxing Phases
A dwarf planet in our solar system that has four moons? Pluto
The 'Great Dark Spot' is on which planet? Neptune
What planet has the largest tilt? Uranus
By using a small telescope, we see this planet has rings Saturn
One unique feature of Jupiter is the? Great Red Spot
Covered in iron oxide (rust), this planet appears reddish in color Mars
What celestial object has been visited by human? (Scientific Name) Luna
Which planet, currently, is the only one to have liquid water on the surface? Earth
Hottest planet in our solar system and rotates backwards. Venus
This is the smallest planet in our solar system and it has no moon or no atmosphere. Mercury
What is the closest star to the Earth? (Scientific Name) Sol
All Jovian planets have this in common? Rings
What location do objects orbits the Sun the fastest? Closer
The Inner Planets are considered what? Terrestrial
The Outer Planets are called what? Jovian
All Terrestrial planets have this in common? Solid
When you look at the stars, you are actually looking into the? past
This ancient culture is credited with making detailed observation of comets and supernova in 1054 BC Chinese
Which civilization recorded the first eclipse, in 2136 BC? Chinese
Shooting stars really aren’t stars; they are leftover parts of a _____ that the Earth passes through. Comet
A chunk of rock or dust in space Meteoriod
A meteoroid that passes through the atmosphere and hits the Earth’s surface. Meteorite
A streak of light in the sky produced by the burning of a meteoroid in Earth’s atmosphere. Meteor
A region of the solar system that is just beyond the orbit of Neptune and that contains small bodies made mostly of ice. Kuiper Belt
Most comets come from this location, past Pluto (Two words)? Oort Cloud
Most famous comet is - that comes around every 76 years (Two words)? Halley's Comet
A rocky metallic objects that orbit the sun but are too small to be considered planets and are leftovers from the formation of the solar system. Asteroid
What separates the Inner Planets from the Outer Planets (Two Words) Asteroid Belt
Eratosthenes used a stick, a well, and an assistant to calculate the circumference of this? Earth
Proposed the Earth rotates on its axis and revolves around the Sun in 260 BC Aristarchus
This Dutch eyeglass maker, Johannes Lippershey, is created in make this new tool to study the heavens. Telescope
Aristotle, a Greek astronomer, proposed what model of the Solar System in 340 BC? Geocentric
First person to walk on the Moon Neil Armstrong
This astronomer proposes the Earth was at the center and other planets had epicycles. (Full Name) Claudius Ptolemy
Newton came up with how many laws of motion? three
Kepler came up with how many laws of planetary motion? three
Which astronomer challenged the idea of a geocentric solar system? (Full Name) Nicolaus Copernicus
Which astronomer died from a bladder infection? (Full Name) Tycho Brahe
This astronomer used this new invention, the telescope, to help prove the correct model of the solar system? (Full Name) Galileo Galilei
This astronomer was Brahe assistant? (Full Name) Johannes Kepler
23.5 degrees S latitude, shortest day of the year Tropic of Capricorn
23.5 degrees N latitude, longest day of the year Tropic of Cancer
Term that describes equal amounts of day/night Equinox
In what season does aphelion occur? Summer
In what season does the perihelion occur? Winter
What explains why distance to the Sun isn't what makes it winter or summer? Tilt
The following was considered correct for the order the solar system: Earth-Moon-Venus-Mercury-Sun-Mars-Jupiter-Saturn-Stars Geocentric order
A mixture of all color of light White
The movement of an object around another object Revolution
The spinning motion of a planet about its own axis Rotation
There are 24 standard ____ ____ around the globe. Time zones
This happen with both light and sound, apparent shift in wavelength emitted by source either moving towards or away from an observer? Doppler Effect
This device can be used to separate white light into its colors? Prism
When a star was moving towards us, the light is considered to be? Blue Shifted
The apparent backward motion of a planet is called? Retrograde
What does AU stand for? (Two words) Astronomical Unit
An Earth centered universe is called? Geocentric
A Sun centered Universe is called? Heliocentric
The point in the orbit of a satellite or moon at which it comes nearest to the object it is orbiting Perigee
Name the location, when a satellite is traveling the slowest and is farthest from Earth? Apogee
The distance from the Earth to the Sun of 152 million km Aphelion
The distance from the Earth to the Sun of 147 million km Perihelion
Formation of theories about the origin and change overtime of the entire universe Cosmology
The 'Big Bang' is considered to be what? Theory
Earth is not a perfectly round sphere, it is more like a squished basketball, also know as Oblate Spheroid

Sun, Moon, and Earth Crossword

Type
Crossword
Description

To spin on an axis. Rotate
A star that is in the center of our solar system and provides Earth with energy. Sun
The path an object follows as it revolves around another object. Orbit
An imaginary line that passes through Earth's north and south poles. Axis
To move in a circular path around another object in space. Revolve
A natural satellite that orbits the Earth or other planets. Moon
An object in space made of burning gas. Star
These are caused by Earth's rotation on its axis. Day and night
These are caused by Earth revolving around the Sun. Seasons
How long it takes for the Earth to travel around the Sun. one year
How long one complete rotation of the Earth takes. one day
The force that holds or pulls things toward the ground. gravity
This is what the Moon revolves around. earth

Solar system Crossword

Type
Crossword
Description

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

Earth and Seasons Crossword

Type
Crossword
Description

The act of spinning around a central axis. rotation
The act of one object traveling around another in an orbital path. revolution
The line that divides Earth into the Northern and Southern Hemisphere. equator
When light from the Sun shines equally on both the Northern and Southern Hemispheres. equinox
When light from the Sun shines more in one hemisphere than the other. solstice
The object in space that Earth revolves around. Sun
The equinox seasons include fall and ___________ . spring
The solstice seasons include summer and _____________ . winter
The month spring begins. March
The month fall begins. September
The reason we have seasons is because of Earth's ____________. tilt
A pattern of weather and climate over three months is called a _________. season
Earth's rotation is the reason we have day and _____________. night
Earth is tilted 23.44 ____________. degrees
When it is spring in the Northern Hemisphere, it is __________ in the Southern Hemisphere. Fall
When it is winter in the Northern Hemisphere, it is _____________ in the Southern Hemisphere. summer
It takes ____________ hours for Earth to make one rotation. twentyfour
It takes _____________ year for Earth to make one revolution. one
On the first day of summer, Earth is tilted most ____________ the Sun. toward
On the first day of winter, Earth is tilted most ____________ from the Sun. away
The month summer begins. June
The month winter begins. December

SPACE WORDSEARCH

Type
Word Search
Description

ASTRONAUT
CONSTELLATIONS
DWARF PLANET
EARTH
GALAXY
GRAVITY
JUPITER
MARS
MERCURY
MOON
NEPTUNE
ORBIT
PLANETS
PLUTO
SATURN
SOLAR SYSTEM
SPACE
STARS
SUN
URANUS
VENUS

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

Reason for the Seasons Crossword

Type
Crossword
Description

This word means to spin rotation
This word means to go around something revolution
The Earth travels around the_____ Sun
The _____ travels around Earth moon
The Earth rotating around the sun causes day and _____ night
The Earth revolving around the sun causes the _____ Seasons
There are ______ seasons in the Northern Hemisphere Four
It takes 12 ______ for Earth to travel around the sun. months
How the Earth ______________ determines the seasons tilts
When the North Pole is tilted towards the Sun it is _________ in the Northern Hemisphere Summer
When the Northern Hemisphere is tilted away from the sun it is which season? Winter
There is equal amounts of daylight and darkness during the ______ (happens 2 times each year) Equinox
Spring begins in the month of ______ in the Northern Hemisphere March
Fall begins in the month of ___ in the Northern Hemisphere September
Winter begins in the month of ____ in the Northern Hemisphere December
Summer begins in the month of ____ in the Northern Hemisphere June
The days are short and the nights are long during this season in the Northern Hemisphere Winter
The days are long and the nights are short during this season in the Northern Hemisphere Summer
Temperatures do not changes much along the ___________ no matter what season it is. Equator