Direction: Read the question carefully . Write the letter of the correct answer on the space
provided before the number.
_______1. A volcano is a vent or fissure in the planet’s crust through which lava, ash,
rock, and gases erupt. What do you call the heat from the Earth’s interior which could
be tapped as a source of energy?
A. Geothermal energy C. Solar energy
B. Hydroelectric energy D. Wind energy
_______2. Magma is a molten rock that can be found under the Earth’s surface which
is used to produce steam to generate electricity. What kind of power plant is built to
harness this type of energy?
A. Geothermal power plant C. Hydroelectric power plant
B. Geoelectric power plant D. Hydrothermal power plant
_______3. The United States of America is the world’s largest producer of geothermal
energy. Which country is the third-largest producer of geothermal energy in the world?
A. Indonesia B. Malaysia C. Philippines D. Vietnam
_______4. All of the statements explain why the country has produced more electricity
from the volcanoes. Which of the following statement is INCORRECT?
A. The Philippines has many active volcanoes.
B. The Philippines belong to the Pacific Ring of Fire.
C. The Philippines has successfully produced 14.4% of its electricity from
geothermal power plant.
D. The Philippines discovered the most efficient way of producing electricity from a
geothermal power plant.
_______5. There are steps to follow in order to generate electricity from a geothermal
power plant. What is the best arrangement of these steps?
I. Cooling tower cools the steam which condenses back to water.
II. The cooled water is pumped back into the Earth to begin the process
again.
III. Wells are drilled deep into the Earth to pump steam or hot water to the
surface.
IV. The steam spins a turbine, which is connected to a generator that
produces electricity.
V. When the water reaches the surface, the drop in pressure causes the
water to turn into steam.
a. III, V, IV, I, and II
b. III, IV, V, II, and I
c. IV, III, I, II, and V
d. I, II, III, IV, and V