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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 galaxy
B
A asteroid
C
A solar system
D
A comet
2) Where is the Sun located in our galaxy?
A
The Milky Way
B
In a spiral arm of the Milky Way about 2/3 from the center.
C
Galaxy Bar
D
Milk Duds
3) An irregular galaxy is ....
A
a galaxy with arms
B
none of the above
C
a galaxy with no defined shape
D
a flat disk-like galaxy
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
Calcium
B
Hydrogen
C
Uranium
D
Helium
6) A cloud of gas and dust is a ......
A
A supernova
B
Black Hole
C
Red Supergiant
D
Nebula
7) Space expansion that proves the universe is expanding away from us is....
A
Purple Shift
B
Blue Shift
C
Pink Shift
D
Red 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 Mercury and Venus
B
between Mars and Earth
C
between Mars and Jupiter
D
between Pluto and Saturn
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
Meteroid
B
Moon
C
Meteor
D
Meteorite
12) What would happen to our tides if the Moon was smaller?
A
Tides would be weaker
B
Tides would be stronger
C
The moon has no effect on our tides.
D
Tides would be the same
13) The Spring tide.....
A
occurs during the New moon and Full moon.
B
occurs during the winter.
C
occurs during the first and third quarter.
D
occurs in spring.
14) A Neap tide....
A
occurs during First and Third Quarter.
B
occurs in Spring.
C
occurs during New Moon and Full Moon.
D
occurs in winter.
15) What causes the four seasons on Earth?
A
The Earth's tilt and its rotation.
B
The Earth's tilt and its revolution.
C
The Sun's tilt and its revolution.
D
The Moon's tilt and its revolution
16) At which point do the Northern and Southern Hemispheres experience the same amount of daylight?
A
None of the above
B
Fall
C
Spring and Fall
D
Spring
17) What determines the length of one year on Earth?
A
One full Earth rotation.
B
One full Earth cycle.
C
One full Earth Axis.
D
One full Earth revolution.
18) Reflecting and Refracting Telescopes....
A
break visible light into colors on the spectrum.
B
are used during solstices.
C
gathers and focuses visible light.
D
gather radio waves.
19) What space tool would we send to another planet to gather data?
A
Spectroscope
B
Satellite
C
Space probe
D
Space observatory
20) A tool used to separate light gathered from a distant star to identify what the star is made of is....
A
Spectroscope
B
Telescope
C
Athenoscope
D
Lithoscope
*select an answer for all questions
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