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Non-Planetary Objects In Space
Test Description: Reviews non-planetary objects in space: asteroids, meteoroids, comets, meteors, meteorites, and impact craters
Instructions: Answer all questions to get your test result.
1) What is a large rock (bigger than 1 meter across) inside of our solar system that orbits the Sun called?
A
An asteroid
B
A comet
C
A meteor
D
A meteoroid
2) What is a small (less than 1 meter in size) rock in our solar system called?
A
A meteoroid
B
An asteroid
C
A comet
D
A meteor
3) What do you call a ball of ice and rock that orbits the Sun?
A
A meteor
B
A comet
C
An asteroid
D
A meteorite
4) What do you call a rock from space that makes an impact on Earth's surface?
A
A meteorite
B
A comet
C
An asteroid
D
A meteoroid
5) What do you call a rock from space that burns in Earth's atmosphere. When it burns, it makes a quick streak of light in the sky.
A
An asteroid
B
A meteoroid
C
A meteor
D
A meteorite
6) Which would be larger?
A
NO ANSWER
B
Asteroid
C
Meteoroid
D
NO ANSWER
7) Which would be smaller?
A
Asteroid
B
NO ANSWER
C
Meteoroid
D
NO ANSWER
8) Which would be colder?
A
NO ANSWER
B
NO ANSWER
C
Comet
D
Asteroid
9) When a rock from space hits Earth's surface (a meteorite), it usually makes a round hole in the ground. What is this hole called?
A
An impact crater
B
A comet
C
A caldera
D
An asteroid
10) Where are most of the asteroids in our solar system found?
A
between Mercury and the Sun
B
past the orbit of Neptune
C
between Mars and Jupiter
D
between Venus and Earth
11) Where are most of the comets in our solar system found?
A
between Mars and Jupiter
B
between Mercury and the Sun
C
past the orbit of Neptune
D
between Venus and Earth
12) Why do meteors light up?
A
they are burning balls of gas
B
they catch on fire and burn up in our atmosphere
C
they are made from glowing, hot lava
D
they reflect light from the Sun
13) What are meteors called by laypeople?
A
orion arms
B
nebulas
C
blue moons
D
shooting stars
14) What is one of the most distinguishing characteristics of comets?
A
unlike other objects in our solar system, they do not orbit the Sun
B
they develop a tail when their orbit takes them close to the sun
C
they are older than the rest of the objects in our solar system
D
they are made of mostly iron and metal--no other ingredients
15) How old are the rocks and other debris within our solar system?
A
4 million years old
B
13.8 billion years old
C
2023 years old
D
4.6 billion years old
16) What do you call a large rock in space that orbits the sun?--these are usually made of rock and metal.
A
An asteroid
B
A comet
C
A meteoroid
D
An impact crater
17) Which of the following does NOT orbit directly around the Sun?
A
Halley's comet
B
the International Space Station
C
Pluto
D
Ceres, both an asteroid and a dwarf planet
18) Why do rocks from space burn up in our atmosphere?
A
Space rocks interact with the air pollution within our atmosphere, resulting in fire.
B
The friction of our atmosphere heats them up to the point they burn and disintegrate.
C
When rocks from space enter our atmosphere, they are no longer protected from the Sun's UV radiation.
D
Earth's gravitational pull causes the rocks to pull apart and eventually disappear.
19) Why don't impact craters last forever on Earth?
A
our rotation on our axis
B
the gravitational pull of the moon and sun
C
volcanism
D
weathering and erosion
20) What shape are the orbits of asteroids, comets, and other objects in our solar system?
A
circular
B
spherical
C
linear
D
elliptical
*select an answer for all questions
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