EVALUATION:

How is electricity typically distributed from substations to the end consumers?

• A. Through underground cables only.

• B. Through high-voltage transmission lines..

• C. By using power plants located near each home.

• D. By stepping down the voltage and delivering electricity through local distribution lines.

Shayne turned on a lamp switch in her room. Which of the following is the correct path of electrical power that can be traced back to the source?

• A. power plants → transmission substations →distribution substations → residences

• B. transmission substations → power plants → residences →distribution substations

• C. power plants →distribution substations → transmission substations → residences

• D. distribution substations → power plants → transmission substations → residences

All the following power plants use steam to drive the turbines to produce electricity EXCEPT___.

• Hydropower

• Geothermal

• Coal-fired

• Nuclear

How does a photovoltaic cell transform energy in solar power plants?4

• A. heat energy into mechanical energy           

• B. chemical energy into electrical energy

• C. solar energy into electrical energy                    

• D. electrical energy into chemical energy.

Which statement correctly describes the process of the geothermal power plant?

• A. Water rises and pushes a lever.

• B. Coal heats up the water that turns to steam.

• C. Cold and warm water collide and force steam up.

• D. Water is heated up by a heating source which turns into steam and works the machine.