1. What is the essential component of any power plant?

A. Motor
B. Turbine
C. Transformer
D. Solar Panel

2. Why is it necessary that energy from nature be converted into electricity?

A. Electricity is safer to use than nature.
B. Nature is the only source of energy.
C. Electricity can be converted in one area only.
D. Electricity can be stored, distributed, and transmitted to far places.

3. Which of the following energy transformation happens in hydroelectric power plants?

A. Mechanical energy Electricity
B. Gravitational PE Kinetic energy Electricity
C. Kinetic energy Gravitational PE Electricity
D. Electricity Kinetic energy Gravitational PE

4. Which consumes the greatest electricity?

A. Cellphone
B. Electric Fan
C. Flat iron
D. Fluorescent light​