WorksheetsSpace
Total questions: 23
Worksheet time: 27mins
the path an object takes as it revolves around a star, planet, or moon
revolve
orbit
rotate
space probe
2nd planet from the Sun; an inner, rocky planet
Venus
stars
Saturn
4th planet from the Sun; an inner, rocky planet
solar system
Earth
Mars
closest planet to the Sun; an inner, rocky planet
Pluto
Mercury
stars
satellite
an object that orbits another object in space
a large hole in the ground caused by an asteroid
the air that surrounds the Earth
a science tool used for observing very distand objects in space
The moon is a natural ______ of Earth.
satellite
Axis
comet
space probe
Which planets are mainly composed of gas?
Mercury, Venus, Earth and Mars
Jupiter, Saturn, Uranus and Neptune
Select a possibility of what will happen to the universe in the future.
The universe will be destroyed by aliens.
The universe may expand forever, therefore galaxies will continue to get further away from each other.
The universe will explode.
We don't have any hypothesis.
Which is found in the belt between Mars and Jupiter
Comets
Asteroids
Meteors
Stars
Choose the best description for a comet...
icy small body with a tail
chunky rock
rock moving body
A large, rocky object orbiting the sun is called a...
Comet
Asteroid
Meteoroid
Meteor
What happens to a comet as it gets close to the Sun?
It forms long tails made of gas and dust
It melts and disappears
It explodes
A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.
Big Bang Theory
Singularity Theory
Galaxy Theory
A large grouping of stars, planets, gas, and dust in space held together by gravity.
Universe
Galaxy
Space
A unit of length equal to the distance that light travels through space in one year.
Leap Year
Light-Year
Frequency
All space and the matter space contains
Universe
Galaxy
Super Nova
