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Space 2
Test Description: Components of the Universe, Seasons, Moon Phases, Rotation/Revolution, Tides
Instructions: Answer all questions to get your test result.
1) When the moon is growing larger on the right side.
A
waxing
B
crescent
C
gibbous
D
waning
2) When the Moon Earth, and Sun are aligned in a straight line, the gravitational pull is at its?
A
strongest
B
weakest
3) When the moon is getting smaller and the light is on the left side.
A
waxing
B
waning
C
crescent
D
gibbous
4) The types of waves that can travel through space are called ____ waves.
A
Magical
B
Electromagnetic
C
Luminosity
D
Mechanical
5) How many days does it take the moon to orbit the Earth?
A
24 hours
B
365 days
C
31 days
D
28 days
6) On the HR diagram, the trend for main sequence stars is -
A
the hotter the star is the brighter it is.
B
the cooler the star is, the brighter it is.
C
the hotter the star is, the dimmer it is.
7) Which of the following is NOT a galaxy shape?
A
Spiral
B
Elliptical
C
Irregular
D
Rectangular
8) A star's light takes 125 years to travel from the star to our Earth. How far away is the star?
A
125 astronomical units
B
125 trillion miles
C
125 years
D
125 light years
9) Our solar system is located where in the Milky Way galaxy?
A
Toward the outside of the arms
B
Halfway out from the center
C
Just outside the galaxy
D
In the center of the galaxy
10) Our Sun is considered to be a ___________ star.
A
Blue Giant
B
Red Giant
C
Main Sequence
D
White Dwarf
11) Earth rotates ______ on its axis
A
backwards
B
forwards
C
counterclockwise
D
clockwise
12) How long does it take Earth to complete one complete rotation?
A
365 days
B
12 hours
C
24 hours
D
27.3 days
13) What causes day and night?
A
Earth's revolution
B
moon's rotation
C
Earth's tilted axis
D
Earth's rotation
14) When are the days the longest in the Northern Hemisphere?
A
Summer
B
Fall
C
Winter
D
Spring
15) Which two properties did Hertzsprung and Russell use to classify stars?
A
Magnitude and Luminosity
B
Luminosity and Brightness
C
Temperature and Luminosity
D
Temperature and Size
16) What is the general relationship between the surface temperature and magnitude of a main sequence star?
A
As the temperature remains the same, the magnitude increases.
B
As the temperature increases, the magnitude also increases.
C
As the temperature increases, the magnitude remains the same.
D
As the temperature increases, the magnitude decreases.
17) The Sun appears larger than other stars because of its...
A
Distance from Earth
B
High temperature
C
Yellow color
D
Chemical composition
18) The planets revolve around our Sun which is the center of our solar system. What keeps our planets in orbit around the Sun?
A
Atmospheric pressure
B
Electromagnetic energy
C
Gravitational force
D
Thermal energy
19) Where are stars formed and born?
A
in solar systems
B
in larger stars
C
in Nebulae
D
in black holes
20) What color are the hottest stars?
A
Blue
B
White
C
Yellow
D
Red
*select an answer for all questions
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