The molten rock material that originates far below
the surface of Earth is called
a) magma
b) limestone
c) feldspar
d) tephra
[Ques. 2] An all-terrain vehicle of 2000 kg mass moves up a 15.0 slope at a constant velocity of 6.00 m/s. The rate of change of gravitational potential energy with time is
a. 5.25 kW.
b. 24.8 kW.
c. 30.4 kW.
d. 118 kW.
e. 439 kW.
[Ques. 3] Which type of rock solidifies from molten magma?
a) igneous rock
b) sedimentary rock
c) metamorphic rock
d) cross-bedded rock
[Ques. 4] A 2.0-kg block is projected down a plane that makes an angle of 20 with the horizontal with an initial kinetic energy of 2.0 J. If the coefficient of kinetic friction between the block and plane is 0.40, how far will the block slide down the plane before coming to rest?
a. 3.0 m
b. 1.8 m
c. 0.30 m
d. 1.0 m
e. 1.3 m
[Ques. 5] What are the primary components of all rock
forming minerals?
a) oxygen and nitrogen
b) hydrogen and helium
c) oxygen and silicon
d) iron and nickel
[Ques. 6] A 25-kg block on a horizontal surface is attached to a light spring (force constant = 8.0 kN/m). The block is pulled 10 cm to the right from its equilibrium position and released from rest. When the block has moved 2.0 cm toward its equilibrium position, its kinetic energy is 12 J. What is the change in mechanical energy caused by the frictional force on the block as it moves the 2.0 cm?
a. 4.0 J
b. 3.5 J
c. 2.4 J
d. 2.9 J
e. 15 J
[Ques. 7] How many degrees of hardness are defined
on the Mohs hardness scale?
a) 3
b) 7
c) 10
d) 12
[Ques. 8] The mineral calcite comes from what type of non-
silicate mineral group?
a) oxide minerals
b) sulfide minerals
c) carbonate minerals
d) feldspar minerals
[Ques. 9] A 2.0-kg mass is projected vertically upward from ground level with an initial speed of 30 m/s. The mass rises to a maximum height of 35 m above ground level. What is the change in mechanical energy of the mass caused by air resistance between the point of projection and the point of maximum height?
a. 0.21 kJ
b. 0.47 kJ
c. 0.40 kJ
d. 0.34 kJ
e. 0.69 kJ
[Ques. 10] What is currently included in the study of
geology?
a)only investigations involving rocks and minerals
b)only data on the structure and composition of Earth
c)investigation of the composition, structure, and history of all planets and moons in our solar system
d)all studies of matter in any form throughout the entire universe
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