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Unit 3 Astronomy Review
Test Description: Review of Sun, Celestial Bodies, Earth, Moon, Galaxies, and Space Technology
Instructions: Answer all questions to get your test result.
1) A cluster of gas, dust, and stars is a ........
A
A asteroid
B
A comet
C
A galaxy
D
A solar system
2) Where is the Sun located in our galaxy?
A
Milk Duds
B
Galaxy Bar
C
In a spiral arm of the Milky Way about 2/3 from the center.
D
The Milky Way
3) An irregular galaxy is ....
A
a flat disk-like galaxy
B
a galaxy with no defined shape
C
a galaxy with arms
D
none of the above
4) Distance between galaxies are measured with...
A
Newtons
B
miles
C
kilometers
D
Light-years
5) A star burns what element as fuel?
A
Uranium
B
Helium
C
Calcium
D
Hydrogen
6) A cloud of gas and dust is a ......
A
Nebula
B
Red Supergiant
C
A supernova
D
Black Hole
7) Space expansion that proves the universe is expanding away from us is....
A
Purple Shift
B
Red Shift
C
Pink Shift
D
Blue Shift
8) What is true about a comet orbiting the Sun?
A
The comet constantly gives off radio signals indicating its location.
B
The comet's tail is always pointed away from the Sun.
C
The comet goes through the Sun then turns around after passing through.
D
The comet changes colors like the rainbow.
9) The asteroid belt is located....
A
between Pluto and Saturn
B
between Mercury and Venus
C
between Mars and Earth
D
between Mars and Jupiter
10) All Planets ...
A
They all have inertia to keep them in motion
B
They all revolve around the Sun
C
They all rotate on an axis
D
All the above are true
11) A space rock located in Earth's atmosphere is known as a ......
A
Meteor
B
Moon
C
Meteroid
D
Meteorite
12) What would happen to our tides if the Moon was smaller?
A
Tides would be the same
B
Tides would be stronger
C
Tides would be weaker
D
The moon has no effect on our tides.
13) The Spring tide.....
A
occurs during the winter.
B
occurs during the first and third quarter.
C
occurs in spring.
D
occurs during the New moon and Full moon.
14) A Neap tide....
A
occurs during New Moon and Full Moon.
B
occurs during First and Third Quarter.
C
occurs in winter.
D
occurs in Spring.
15) What causes the four seasons on Earth?
A
The Earth's tilt and its revolution.
B
The Moon's tilt and its revolution
C
The Earth's tilt and its rotation.
D
The Sun's tilt and its revolution.
16) At which point do the Northern and Southern Hemispheres experience the same amount of daylight?
A
Spring
B
None of the above
C
Spring and Fall
D
Fall
17) What determines the length of one year on Earth?
A
One full Earth Axis.
B
One full Earth rotation.
C
One full Earth revolution.
D
One full Earth cycle.
18) Reflecting and Refracting Telescopes....
A
break visible light into colors on the spectrum.
B
gathers and focuses visible light.
C
are used during solstices.
D
gather radio waves.
19) What space tool would we send to another planet to gather data?
A
Spectroscope
B
Satellite
C
Space observatory
D
Space probe
20) A tool used to separate light gathered from a distant star to identify what the star is made of is....
A
Lithoscope
B
Telescope
C
Athenoscope
D
Spectroscope
*select an answer for all questions
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