NEW
Font size
WorksheetsEnvironmental 2
Total questions: 41
Worksheet time: 2hrs 3mins
What converts sunlight into electricity?
a) Wind turbines
b) Photovoltaic cells
c) The silicon layer
d) The glass protective layer
Photovoltaic cells are made from silicon which is a?
a) Wholly conductive material
b) slightly conductive material
c) Semi conductive material
d) Non conductive material
Groups of solar panels are joined together to make a?
a) Array or string
b) Roof
c) Cell
d) None of the above
Solar panels are wired together in?
a) A long line
b) A nice pattern.
c) Series
d) All of the above.
To increase the power output the series of panels can be linked together in?
a) Parallel
b) Long lines
c) On top of each other
d) None of the above
What voltage does a solar panel produce?
a) High voltage
b) Low voltage
c) a.c. voltage
d) d.c. voltage
How is the voltage produced from solar panels converted into usable voltage?
a) Via a sub station
b) Via an inverter
c) Via a meter
d) Via the distribution board
What are most domestic PV systems rated at?
a) 230 V
b) 200 A
c) 16 A.
d) 16 V
What is an advantage of using solar power?
a) It’s free and produces no waste
b) It can be used in remote areas
c) It’s useful for low power usage
d) a,b,c
Do you need planning permission to install solar panels?
a) No
b) If you live in conservation area or have a listed building
c) If the panel can be seen from your neighbours garden
d) If the panels are sited on the wall
Do building regulations apply to solar panels?
a) No
b) If you live in a small house
c) Yes
d) Only if they can be seen from the road
Why is using wind power good for the environment?
a) It does not use fossil fuel
b) It is free
c) The land can be used for other purposes as well
d) a,b,c
What do the initials HAWT stand for?
a) High and windy tower
b) Horizontal and water turbine
c) Horizontal axis wind turbine
d) High axis wind turbine
What type of electrical currents do wind turbines produce?
a) a.c.
b) d.c.
c) Both
d) Neither
What do you need to produce hydro electricity?
a) Sunshine
b) Wind
c) Water
d) Heat from the ground
What is the difference between hydro and micro hydro electricity?
a) Hydro needs a dam, micro does not
b) Micro can supply a small domestic installation; hydro can supply a small town
c) Hydro electricity is fed straight into the national grid: surplus from micro can be fed into the national grid
d) a, b, c
What is a disadvantage of micro hydro electricity?
a) You only need a small amount of water to produce power
b) It does not make enough electricity to power towns and large factories
c) Fish don’t need to be diverted
d) You do not need to make large dams
How do ground source heat pumps get their heat source?
a) Through plastic cables buried in the ground
b) From a turbine
c) From the main electricity supply
d) a, b, c
What are the main parts to any heat pump system?
a) A heat source and the means of extracting heat e.g. a ground loop.
b) A circuit of fluid in the heat pump and a power source.
c) A heat distribution system in the home e.g. the under-floor heating system
d) a, b, c
What is one of the main disadvantages of ground sourced heat pumps?
a) The sun doesn't always shine on them
b) They can take up a lot of ground space
c) You can’t see where the pipes are
d ) a, b, c
How many kW of energy is a roof mounted wind turbine likely to produce?
a) 1000 kW
b) 1-2 kW
c) 10-20 kW
d) 100-200 kW
How does a wind turbine produce electricity?
a) converts the kinetic energy into electrical energy.
b) converts the static energy into electrical energy.
c) converts the rotational energy into electrical energy.
d) converts the motional energy into electrical energy.
What are the benefits of installing a domestic CHP?
a) Generates electricity at times of peak electrical demand in the home
b) Greener and cheaper on-site use,
c) Reduces reliance on grid electricity
d) a, b, c
What is one of the disadvantages of domestic CHP?
a) It is difficult to control.
b) Excess electricity can be sold back to the grid.
c) It is a green fuel
d) a, b, c
What do solar powered thermal systems produce?
a) Electricity
b) Hot water
c) Hot rooms
d) Gas
What do biomass power plants use as a fuel?
a) Gas
b) Coal
c) Solar power
d) Living or recently living biological organisms
What are the two types of solar thermal panels?
a) Green and red ones
b) Round and square ones
c) Flat and tubed
d) Ridged and bobbled
What direction in the UK is the best for positioning solar panels?
a) South
b) North/East
c) North/West
Which is a biomass fuel?
a) Gas
b) Coal
c) Solar
d) Wood
At Least what size does a flat solar panel need to be to be effective?
a) 3-4 m2
b) 4-5 m2
c) 5-6 m2
d) Any size
What makes wood pellets a good type of biomass?
a) They are made of waste wood
b) They are compressed.
c) They take up less space
d) a, b, c
Why should we save water?
a) Because the demand for water is rising
b) To reduce the amount of water being taken from lakes and reservoirs
c) To save on water bills
d) a, b, c
What is one way we can save water?
a) Have baths instead of showers
b) Collect rain water from the roof of the building
c) Drink lots of bottled water
d) Only use mains tap water
Do rainwater harvesting systems use more or less electricity than conventional system?
a) Less
b) Less, unless it is raining hard
c) More
d) More but only at night
What is a permeable pavement?
a) One that has curly hair covering it
b) One that does not let water through
c) One that does let water through
d) All of the above
What can you use reused water for?
a) Drinking
b) Cooking
c) Watering the garden
d) None of the above
What is grey water?
a) Water from washing machines
b) Water from toilets
c) Water that is grey
d) Water collected from the roof
Why should rain water be filtered before use?
a) To get rid of leaves
b) To get rid of animal and bird faeces.
c) To remove any oil
d) a, b, c
What is rain water harvesting?
a) Water collected from fields
b) Water from washing machines
c) Rain water collected from roofs
d) Rain water collected from ponds
What colour is it recommended that the pipes for reused water should be?
a) Black with green stripes
b) Green with black stripes
c) Blue with black stripes
d) Black with blue stripes
Why should we use solar power to produce electricity?
a) If your solar panels produce more electricity than you need you can sell it back to the electricity companies
b) To protect the environment
c) It is a renewable energy source
d) a,b,c
