1) When a gas is turned into a liquid, the process is called
A. condensation
B. evaporation
C. deposition
D. sublimation
Answer : A.
2) Which of the following parts of the sun is easily visible only during a total solar eclipse?
A. core
B. photosphere
C. sunspots
D. corona
Answer : D.
3) Earth’s seasons are caused by which of the following?
A. The tilt of the earth’s rotation relative to the ecliptic as earth revolves around the sun
B. The varying amount of sunspot activity
C. The earth’s orbit around the sun as an exlipse rather than a circle
D. The rotation of during a 24-hour day
Answer : A.
4) Which of the following is most likely to cause a rise in the average temperature of earth’s atmosphere in future?
A. Atomic warfare
B. CO2 from fossil fuels
C. Dust clouds from valcanoes
D. Depletion of earth’s ozone layer
Answer : B.
5) The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
A. Earthquakes
B. Magnetic reversals
C. Hurricanses
D. Increased deposition of deep-sea sediments
Answer : A.
6) Which of the following elements is a metal
A. S
B. Se
C. I
D. Ga
Answer : D.
7) Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
A. The north pole of another permanent magnet
B. A piece of iron that is not a permanent magnet
C. A positively charged glass rod
D. A negatively charged rubber rod
Answer : B.
8) Pollination by birds is called
A. autogamy
B. ornithophily
C. entomophily
D. anemophily
Answer : B.
9) The fastest-running terrestrial animal is
A. cheetah
B. lion
C. man
D. jaguar
Answer : A.
10) As you go down into a well, your weight
A. increases slightly
B. decreases slightly
C. remains exactly the same
D. None of the above
Answer : B.