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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
gibbous
B
waning
C
crescent
D
waxing
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
waning
B
crescent
C
gibbous
D
waxing
4) The types of waves that can travel through space are called ____ waves.
A
Mechanical
B
Electromagnetic
C
Magical
D
Luminosity
5) How many days does it take the moon to orbit the Earth?
A
31 days
B
24 hours
C
28 days
D
365 days
6) On the HR diagram, the trend for main sequence stars is -
A
the hotter the star is, the dimmer it is.
B
the hotter the star is the brighter it is.
C
the cooler the star is, the brighter it is.
7) Which of the following is NOT a galaxy shape?
A
Elliptical
B
Irregular
C
Spiral
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 light years
B
125 years
C
125 trillion miles
D
125 astronomical units
9) Our solar system is located where in the Milky Way galaxy?
A
In the center of the galaxy
B
Toward the outside of the arms
C
Just outside the galaxy
D
Halfway out from the center
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
counterclockwise
B
clockwise
C
backwards
D
forwards
12) How long does it take Earth to complete one complete rotation?
A
12 hours
B
365 days
C
24 hours
D
27.3 days
13) What causes day and night?
A
moon's rotation
B
Earth's tilted axis
C
Earth's rotation
D
Earth's revolution
14) When are the days the longest in the Northern Hemisphere?
A
Summer
B
Fall
C
Spring
D
Winter
15) Which two properties did Hertzsprung and Russell use to classify stars?
A
Temperature and Luminosity
B
Temperature and Size
C
Luminosity and Brightness
D
Magnitude and Luminosity
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 decreases.
C
As the temperature increases, the magnitude remains the same.
D
As the temperature increases, the magnitude also increases.
17) The Sun appears larger than other stars because of its...
A
High temperature
B
Chemical composition
C
Distance from Earth
D
Yellow color
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
Gravitational force
B
Atmospheric pressure
C
Electromagnetic energy
D
Thermal energy
19) Where are stars formed and born?
A
in larger stars
B
in black holes
C
in Nebulae
D
in solar systems
20) What color are the hottest stars?
A
Red
B
Yellow
C
Blue
D
White
*select an answer for all questions
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