WorksheetsAstronomers, Planets, Orbits
Total questions: 25
Worksheet time: 13mins
3 laws of planetary motion
Galileo
Copernicus
Newton
Kepler
Gravity is the reason the planets orbit the sun
Newton
Galileo
Kepler
Copernicus
First to use a telescope to view the sky
Kepler
Newton
Galileo
Ptolemy
Explained that the planets follow elliptical orbits
Newton
Galileo
Copernicus
Kepler
Which astronomer believed in the geocentric model of the universe?
Galileo
Ptolemy
Newton
Kepler
Made excellent observations of planetary motion without a telescope
Galileo
Copernicus
Brahe
Kepler
Who came first?
Galileo
Copernicus
Kepler
Brahe
Believed in the heliocentric model of the universe
Archimede
Ptolemy
Galileo
Aristotle
Earth is the center of the solar system
Newtonian Model
Geocentric Model
Copernican Model
Heliocentric Model
The measure of the flatness of a circle
Epicycle
Eccentricity
Ellipse
Semi-major axis
If Jupiter had more matter, it may have become a
star
galaxy
moon
asteroid
Which planet is the farthest from the sun?
Jupiter
Uranus
Venus
Saturn
Which planet is not a Jovian planet?
Saturn
Mars
Uranus
Jupiter
Why is pluto no longer considered a planet?
Does not clear its orbit of debris
Does not orbit the sun
Too small
Not spherical
Which planets are about the same diameter?
Mars and Venus
Mercury and Earth
Uranus and Neptune
Jupiter and Saturn
Farthest from the sun
Mars
Earth
Venus
Mercury
Which of the following describes a terrestrial planet?
Many moons
Has rings
Large and gaseous
Closely spaced in solar system
About how long ago did our solar system form?
5 billion years
1 billion years
10 billion years
20 millions years
Where is The Asteroid Belt?
Between Earth and Mars
Between Mars and Jupiter
Between Uranus and Neptune
Beyond Pluto
Earth's moon is the largest in the solar system
True
False
Jovian planets rotate slowly compared to terrestrial planets
True
False
Jovian planets are more dense than terrestrial planets
True
False
When a meteoroid has reached the surface of the Earth it is called a meteorite
True
False
What is the name of the line that divided the terrestrial planets from the gas planets during the formation of the solar system?
Planet line
Frost line
Jovian line
Celestial equator
What event most likely caused the initial collapse of the gas and dust cloud that became the solar system?
supernova or other violent explosion
intense heating of the sun
the rotation of the galaxy
intense gravitational pull
