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Vocabulary Review
Test Description: A vocabulary review
Instructions: Answer all questions to get your test result.
1) What is an atmosphere?
A
The layer of gases surrounding a planet or star.
B
A huge cloud of gas and dust.
C
Two stars that orbit around each other.
D
A collection of gas and dust.
2) What is the universe?
A
The layer of gases surrounding a planet or star.
B
A star and the objects that orbit around it.
C
Everything on Earth and in outer space.
D
Anything that can be touched.
3) What are atoms?
A
Particles too small to see. Make up all ordinary matter in the universe.
B
Anything that can be touched.
C
An instrument used to look at stars and other distant objects.
D
A collection of gas and dust.
4) What are twin stars?
A
Two stars that orbit around each other, held together by the pull of gravity.
B
The collision of two atoms that result in a single, new atom and the release of energy.
C
An explosion of stored energy on Earth's surface.
D
A collection of gas and dust.
5) What is a telescope?
A
An explosion of stored energy on the Sun's surface.
B
An instrument used to view stars an other distant objects. Gathers and magnifies light to enlarge and brighten the objects.
C
The layer of gases surrounding a planet or star.
D
A huge cloud of gas and dust.
6) What is a black hole?
A
A region in space where gravity is so powerful that it traps light and anything else that gets too close.
B
Particles too small to see.
C
The collision of two atoms that result in a single, new atom and the release of energy.
D
A large object that orbits around a star.
7) What is a galaxy?
A
A collection of gas, dust, and billions of stars, all spinning around a common center and held together by gravity.
B
The spiral galaxy where our solar system is located.
C
Two stars that orbit around each other.
D
Everything on Earth and in outer space.
8) What is a solar system?
A
Glowing gases in the atmosphere caused by solar winds (northern lights).
B
A star and the objects that orbit around it. Our solar system includes the Sun and the eight planets and their moons.
C
The layer of gases surrounding a planet or star.
D
A huge cloud of gas and dust in space.
9) What is gravity?
A
Particles too small to see. Make up all ordinary matter in the universe.
B
A spin on an axis or fixed point.
C
The tug or pull of two (or more) objects on each other. Caused by the way space curves around matter.
D
Two stars that orbit around each other, held together by the pull of gravity.
10) What is a solar flare?
A
A large object that orbits around a star.
B
The tug or pull of two (or more) objects on each other. Caused by the way space curves around matter.
C
An explosion of stored energy on the Sun’s surface. Occurs when two or more prominences connect.
D
Anything that can be touched.
11) What is matter?
A
Anything that can be touched. Everything except energy is made up of matter.
B
A huge cloud of gas and dust.
C
An object traveling around another object in an orbit.
D
A collection of gas and dust.
12) What is a planet?
A
An explosion of stored energy on the Sun’s surface. Occurs when two or more prominences connect.
B
The collision of two atoms that result in a single, new atom and the release of energy.
C
A large object that orbits around a star.
D
A star and the objects that orbit around it.
13) What is a nebula?
A
An explosion of stored energy on the Sun's surface.
B
Anything that can be touched. Everything except energy is made up of matter.
C
A huge cloud of gas and dust in space.
D
The layer of gases surrounding a planet or star.
14) What is nuclear fusion?
A
An explosion of stored energy on Earth's surface.
B
Huge looping eruptions of gas near sunspots.
C
Two stars that orbit around each other.
D
Collision of two atoms resulting in a new atom and the release of energy.
15) What is an aurora?
A
Glowing gases in the atmosphere caused by solar winds (northern lights).
B
Particles too small to see. Make up all ordinary matter in the universe.
C
Two stars that orbit around each other, held together by the pull of gravity.
D
A collection of gas, dust, and billions of stars, all spinning around a common center and held together by gravity.
16) Define rotate.
A
A huge cloud of gas and dust.
B
A large object that orbits around a star.
C
Glowing gases in the atmosphere caused by solar winds (northern lights).
D
A spin on an axis or fixed point.
17) Define revolve.
A
A spin on an axis or fixed point.
B
An object traveling around another object in an orbit.
C
: The collision of two atoms that results in a single, new atom and the release of energy.
D
A large object that orbits around a star.
18) What is the milky way?
A
The collision of two atoms that result in a single, new atom and the release of energy.
B
A large object that orbits around a star.
C
An object traveling around another object in an orbit.
D
The spiral galaxy where our solar system is located.
19) What is a sunspot?
A
Glowing gases in the atmosphere caused by solar winds (northern lights).
B
A huge cloud of gas and dust in space.
C
Moving areas of magnetic activity. Temperatures are cooler than surrounding gases. Appear as dark spots on the photosphere.
D
An explosion of stored energy on the Sun’s surface. Occurs when two or more prominences connect.
20) What is a prominence?
A
An object traveling around another object in an orbit.
B
The tug or pull of two (or more) objects on each other. Caused by the way space curves around matter.
C
A region in space where gravity is so powerful that it traps light and anything else that gets too close.
D
Huge looping eruptions of gas near sunspots.
*select an answer for all questions
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