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20 questions
What did our Solar System form from?
a rainstorm
a cloud of hydrogen, helium, rock, ice, and other materials
air and clouds
paper, glue, and tape
What makes up our solar system?
the sun
the planets and their moons
variety of smaller objects
all of these things
The solar system formed as__________ pulled together rock, gas, ice and other materials.
inertia
planetisimals
gravity
Newton's first law of motion
When was the solar system formed
4.6 million years ago
46 years ago
46 days ago
4.6 billion years ago
The second planet from the sun is
Venus
Earth
Neptune
Mars
The sun, the planets and their moons, and a variety of other objects make up the
planet system
astronomical unit
solar system
galaxy
This unit of measurement is used to measure distance within the solar system
miles
astronomical unit
kilometers
distance unit
An object that orbits the sun, is spherical, but has not cleared the area of its orbit
dwarf planet
planetesimal
asteroid
planet
Most of the solar system (about 99.85 percent of the mass of the solar system) is contained within the
asteroid
planet
planetesimal
sun
one astronomical unit (AU) is equal to the average distance between
the sun and Mars
Saturn and Neptune
the sun and Earth
the sun and Pluto
What is at the center of our solar system?
Earth
Moon
Sun
Jupiter
What holds the solar system together?
mass
inertia
magnetism
gravity
Which of the following is NOT an inner planet?
Earth
Neptune
Mars
Venus
Which of the following is an outer planet?
Saturn
Neptune
Uranus
All of the Above
This planet was once considered our ninth planet, but is now considered a dwarf planet.
Eris
Mercury
Asteroid Belt
Pluto
The order of the planets starting from the closest to the sun are
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
Neptune, Uranus, Saturn, Jupiter, Earth, Venus, Mercury, Mars
Earth, Uranus, Neptune, Pluto, Mars, Saturn, Jupiter, Venus
Earth has only one natural satellite or moon.
True
False
The four outer planets are much smaller than the inner planets.
True
False
Which planet has "just right" conditions for things to live?
Jupiter
Mars
Earth
Mercury
What do we call the big ring of rocky objects orbiting the Sun between Mars and Jupiter?
Asteroid Ring
Rock Belt
Asteroid Belt
Rocky Road
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