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Astronomy
Test Description: Origin of the universe, stars, how objects in the solar system are related
Instructions: Answer all questions to get your test result.
1) theory that the universe began as very hot, small, and dense, with no stars, atoms, form, or structure
A
Law of Gravity Theory
B
Big Bang Theory
C
Newton Theory
D
Doppler Theory
2) a system of millions or billions of stars, together with gas and dust, held together by gravity
A
moon
B
galaxies
C
stars
D
planets
3) the Doppler effect is
A
a change in frequency of sound or light waves
B
a system of stars
C
the structure of the universe
D
a gravitational pull
4) red shift
A
scientists use this to determine how far away a distant object is
B
a red dress
C
the solar system particularly Venus
D
the color of a car's gear shift
5) Stellar distance is...
A
distance the planets are from the sun
B
observing the location of a star at different times of the year as Earth orbits
C
the Doppler effect
D
Big Band Theory
6) The Laws of Gravity were explained by whom
A
Galileo
B
Hubble
C
Isaac Newton
D
Brahe
7) Copernicus' Theory said...
A
the laws of gravity explained why the planets orbit the sun
B
a telescope can be used to to look at the planets
C
the Earth is at the center of the universe
D
the sun is at the center of the universe
8) Hubble proved...
A
the sun is at the center of the universe
B
that other galaxies exist beyond the Milky Way
C
the laws of graviy
D
the Earth is at the center of the universe
9) Telescopes are used for...
A
as a clock to tell time
B
a piece of equipment shaped like a tube, used for making distant objects look larger and closer; observing celestial bodies
C
recording days, weeks, and months
D
the explain the Laws of Gravity
10) Scientists use the Hertzsprung-Russell diagram to...
A
graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature
B
observe celestial bodies through a tube-like instrument
C
tell time
D
explain the Laws of Gravity
11) Absolute magnitude is used to determine...
A
the Laws of Gravity
B
that the sun is at the center of the universe
C
the magnitude (brightness) of a celestial object
D
locate the distance between the planets
12) Apparent magnitude is used to describe...
A
the Laws of Gravity
B
the magnitude (brightness) of a celestial object
C
locate the distance between the planets
D
the magnitude of a star as it appears to an observer on the earth
13) The Solar Nebular Theory is...
A
distance the planets are from the sun
B
hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
C
the laws of gravity explained why the planets orbit the sun
D
the magnitude (brightness) of a celestial object
14) Stellar evolution is ...
A
the process by which a star changes over the course of time.
B
hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
C
a telescope can be used to to look at the planets
D
the magnitude (brightness) of a celestial object
15) The Law of Gravity is...
A
the process by which a star changes over the course of time.
B
hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
C
the magnitude (brightness) of a celestial object
D
any two masses attract each other with a force equal to a constant (constant of gravitation) multiplied by the product of the
16) The tendency of a body at rest to remain at rest or of a body in motion to stay in motion in a straight line unless acted on by an outside force
A
Doppler effect
B
Law of Gravity
C
inertia
D
Big Bang Theory
17) a kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which electric and magnetic fields vary at the same time
A
stellar evolution
B
inertia
C
electromagnetic radiation
D
red shift
*select an answer for all questions
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