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Instructions
Multiple Attempts This test allows multiple attempts.
Force Completion This test can be saved and resumed later.
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QUESTION 1
Asteroids are known to be composed of clay and rocks, as well as metals like nickel and _______.
Hint
10 points
QUESTION 2
An asteroid is a small, rocky object that orbits the sun, just like the rest of the planets and celestial bodies in our solar system.
Although asteroids are present throughout the solar system, most of them live in the ............... — a region located between the orbits of Mars and Jupiter.
Hint
asteroid hoop
asteroid belt
asteroid way
asteroid city
asteroid orbit
asteroid ring
asteroid country
asteroid location
asteroid circle
10 points
QUESTION 3
Asteroids are found in three main regions of our solar system.
A significant amount of asteroids are found in the Asteroid ____, which lies between _____ and Jupiter.
Then there are _____ asteroids—a large group of asteroids that share the orbit of planets around the Sun.
Jupiter Trojans are the most well-known and numerous Trojans.
The total number of Jupiter trojans larger than 1 km in diameter is believed to be about 1 _______!
Finally, there are Near Earth Asteroids, or _____.
These circle closer to Earth than the sun.
It is believed that nearly 10,000 of all known asteroids are NEAs.
Hint
10 points
QUESTION 4
An asteroid capable of causing a global apocalypse would have to be more than 400 ______wide.
Impact from such an asteroid would cause massive destruction of both life and property on a global scale.
Fortunately, asteroids that huge strike Earth an average of once every 1000 _______.
All in all, asteroids can and do orbit near our planet, but most will never approach Earth, and even if they do, they usually get burned up in the atmosphere before ever making contact with our planetary surface.
Hint
10 points
QUESTION 5
Asteroids orbit the sun in _____ orbits, but additionally, they also ______, sometimes tumbling haphazardly through space.
Hint
10 points
QUESTION 6
The size of objects within the asteroid belt have a wide range, from being no bigger than a dust particle to almost a ........... wide.
Hint
ten thousand centimeters
ten thousand meters
thousand kilometers
hundred kilometers
hundred centymeters
thousand centimeters
hundred meters
ten thousand kilometers
ten kilometers
thousand meters
10 points
QUESTION 7
According to NASA, space rocks smaller than 25 meters will most likely burn up as they enter Earth's atmosphere.
However, some larger asteroids do make it through the atmosphere and impact our planet’s surface.
In 2013, an asteroid slammed into the atmosphere over the Russian city of .........
The shock wave created by this event injured 1,200 people.
Hint
Chihuahua
Chelmsford
Chengzhou
Moscow
Changzhou
Chicago
New York
Cheboksary
Chelyabinsk
London
10 points
QUESTION 8
Asteroids are also cratered or pitted, and their surface is thought to be covered in _________.
Hint
10 points
QUESTION 9
The largest asteroid from the asteroid belt, which is considered a dwarf planet.
__________
Hint
10 points
QUESTION 10
Our solar system came into existence about .............. years ago when a large cloud of gas and dust collapsed.
Hint
46 billion
460 billion
4.6 million
4.6 billion
46 thousand
460 million
46 million
4,600 billion
460 thousand
10 points
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QUESTION 9
The largest asteroid from the asteroid belt, which is considered a dwarf planet.
__________
Hint
10 points
QUESTION 10
Our solar system came into existence about .............. years ago when a large cloud of gas and dust collapsed.
Hint
46 billion
460 billion
4.6 million
4.6 billion
46 thousand
460 million
46 million
4,600 billion
460 thousand
10 points
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
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