#0.
Which one of these revolving weather is the smallest?
A
Tropical cyclone
B
Tornado
C
Typhoon
D
Hurricane
Answer: Tornado
#1.
What happens when the rate of evaporation equals the rate of condensation?
A
The humidity decreases
B
Precipitation occurs
C
The dew point is reached
D
Clouds form
Answer: The dew point is reached
#2.
Which is the cause of change of seasons?
A
The rotation of the Earth
B
The tilt of Earth's axis
C
The sizes and shapes of land surface features
D
The rain-shadow effect
Answer: The tilt of Earth's axis
#3.
What causes changes in weather?
A
Air humidity
B
Water evaporation
C
Air masses interaction
D
Cloud formation
Answer: Air masses interaction
#4.
What part of the atmosphere protects Earth's suface from harmful ultraviolet radiation?
A
Exosphere
B
Stratosphere
C
Mesosphere
D
Troposphere
Answer: Stratosphere
#5.
The aurora borealis and aurora australis are caused by the interaction between charged particles
and Earth's magnetic field. What layer of Earth's atmosphere contains these particles?
A
Mesosphere
B
Thermosphere
C
Ozonosphere
D
Exosphere
Answer: Thermosphere
#6.
Which is a deep layer of electrically charged molecules and atoms that reflects radio waves?
A
Radiosphere
B
Exosphere
C
Ionosphere
D
Troposphere
Answer: Ionosphere
#7.
The Earth completes one revolution around the sun in 365 1/4 days. Compared to earth, how long
does it takes Mercury to complete one revolution?
A
Cannot be determined
B
The same as the Earth
C
Greater than the Earth
D
Less than the Earth
Answer: Less than the Earth
#8.
What two properties of stars are being directly compared in the Hertzsprung-Russel Diagram?
I. Size
II. Temperature
III. Luminuosity
IV. Density
A
I and IV
B
III and IV
C
I and II
D
II and III
Answer: II and III
#9.
How is the atmospheric pressure of Mars when compared to the atmospheric pressure of the
Earth?
A
About 100 times as great as the Earth
B
About the same as the Earth c. About 1/100th that of the Earth
C
About 1/100th that of the Earth
D
Half as much as that of that Earth
Answer: About 1/100th that of the Earth
#10.
Which of the following statements is TRUE for both Saturn and Jupiter?
A
Only one rotates rapidly while the other rotates very slowly
B
Both rotate slower than the Earth
C
Both rotate faster than the Earth
D
Their periods of rotation are linked to their period of revolution
Answer: Both rotate faster than the Earth
#11.
According to Kepler's Laws, what is the shape of all orbits of the planets?
A
Oblate spheroid
B
Hyperbola
C
Ellipse
D
Parabola
Answer: Ellipse
#12.
What is the first successful space station program that tested the ability of astronauts to work for
long periods and studied their body responses to weightless conditions?
A
Salyut
B
US Skylab
C
Sputnik 1
D
Apollo 11
Answer: US Skylab
#13.
The universe is estimated to be between 10 and 20 billion years old. This estimate is based on
the value of which constant?
A
Mass of the Earth
B
Hubble constant
C
Speed of light
D
Mass of the electron
Answer: Hubble constant
#14.
On which of the following planets would the sun rise in the west?
A
Mars
B
Venus
C
Saturn
D
Jupiter
Answer: Venus
#15.
Which of the following describes an albedo?
A
wobbling motion of a planet
B
amount of light a planet reflects
C
phase changes of a planet
D
brightness of the star
Answer: amount of light a planet reflects
#16.
Where are most asteroids located?
A
between Jupiter and Saturn
B
between Mars and Jupiter
C
between Earth and Mars
D
between Mars and Venus
Answer: between Mars and Jupiter
#17.
Which refers to the precession of the Earth?
A
Earth's motion around the sun
B
Change from night to day
C
Effect of the moon on the Earth's orbit
D
Change in orientation of the Earth's axis
Answer: Change in orientation of the Earth's axis
#18.
What kind of eclipse do we see when the moon is entirely within Earth's umbral shadow?
A
total solar
B
partial solar
C
total lunar
D
partial lunar
Answer: total lunar
#19.
At which phase of the moon do solar eclipse occur?