Quarter 3 – Module 3: Energy from Volcanoes

Geothermal power plants use ________ to turn turbines, which in turn drive electric generators.

• electrical wires touching hot magma
• magma flowing through copper tubes
• steam rising from heated groundwater
• mirrors reflecting light from deep underground

After geothermal energy is used to turn turbines, what is done with the leftover water?

• it is released into rivers
• it is used as drinking water
• it is injected back into the hot rock
• it is used for irrigation and farming

Which of the following is not part of advantages in using geothermal energy?

• Eco-friendly
• Minimum Land Space
• Possible Pollution
• Helps Developing Countries Grow

What is the reason why Philippines is one of the top producer of geothermal energy?

• We have top miners where we can get metals.
• We have abundant natural resources like trees and minerals.
• We belong to the Pacific ring of fire where set of Volcanoes can be found
• We have abundant water and mineral resources where we can get enough supply for our country.

What do you call of a machine that converts one form of energy into another, especially mechanical energy into electrical energy?

• Turbine
• Transformer
• Generator
• Cooling Tower

In what country does the first generation of electricity through the use of geothermal energy came from?

• Italy
• United States
• Russia
• New Zealand

What benefits can we get from geothermal energy?

• We soaked in hot spring for relaxation and healing
• We use the energy from the hottest water to generate electricity
• We use the heat energy from this geothermal water to warm building
• all of the above

Geothermal energy is generated in two ways: geothermal power plants and geothermal heat pumps. Which of the following refers to geothermal power plants?

• geothermal power plants provide heat for buildings
• geothermal power plants use surface water to produce electricity
• geothermal power plants use heat from deep inside the Earth to produce steam to generate electricity.
• all of the above

How does using geothermal power plant can cause possible pollution?

• Since vents are not widely available, man cannot just build geothermal power plant.
• Geothermal power plants are designed to operate 24 hours a day throughout the whole year.
• Processes like drilling on Earth’s crust may release some poisonous gas and minerals which could pose harm to the environment.
• Installation cost of steam power plant is quite high and there is no guarantee that the amount of energy to be harnessed could justify the operation cost.

A geothermal fluid, used in geothermal power plant, is the carrier that transfers the heat and it often carries with it other chemicals and gas compounds. What possible compounds could we find from this?

• Hydrogen peroxide
• Nitric Acid and Isopropyl
• Salt and Ammonia
• Carbon Dioxide and Hydrogen Sulfide