WJEC Physics 3.2

Which is not an advantage of Wind energy?

• Land can be used for other purposes
• Can be quickly built; not too expensive
• Long operating life
• Danger to birds

what is a non renewable resource?

• water
• wind
• coal
• biomass

Which type of fuel produces the most sulfur?

• wind
• coal
• biomass
• nuclear fission

Which of the following DOES NOT use a turbine?

• Hydroelectric
• Wind
• Solar
• Nuclear

The poster shown below advertises tours of a power plant.
This power plant produces electricity most likely by using-

• fossil fuels
• biofuels
• solar energy
• geothermal energy

Tags

NGSS.HS-ESS2-5

What is a possible downside to hydroelectric energy?

• generates high levels of pollution 
• high startup cost
• low functional lifespan
• high operation and maintenance cost 

Put the items below in correct sequence for the generation of electricity using the wind
1 – generator converts mechanical energy into electrical energy
2 – wind turns the wind turbine blade
3 – the gear box transfers mechanical energy to the generator
4 – electricity is transferred to the grid

• 1-2-3-4
• 2-1-3-4
• 2-3-1-4
• 2-4-3-1

Which of the following is a disadvantage of solar energy?

• It can only be used effectively in certain regions and certain times of day
• It produces greenhouse gases during use
• It is a nonrenewable energy source
• It is inexpensive compared to other sources

Step-up transformers...

• reduce the current
• increase the current
• increase the power 

Electrical energy enters the home at approximately...

• 25,000 V
• 132 kV
• 230 V