1.2 Flashcards
(26 cards)
How are fossil fuels formed?
By the remains of dead plants and animals from millions of years ago.
Name the 3 main types of fossil fuels.
Coal, Gas and Oil
True or False: Fossil fuels are finite resources
True.
What are 2 advantages of fossil fuels?
A small amount of fuel creates large amounts of energy.
Fuel is very safe and stable to transport and use.
How does nuclear power work?
- A high energy source of heat is created.
- This heats water into a steam.
- The steam drives the turbine.
- The turbine generates electricity
Name 3 advantages of nuclear power.
The process is clean and efficient
Power plants don’t take up a lot of space
It is a reliable source of energy
Name 1 disadvantage of nuclear power.
The waste is radioactive.
What is renewable energy?
Energy from natural sources that can be replenished.
Name the 5 main types of renewable energy.
Wind
Solar
Tidal
Hydro-electrical
Biomass
Name 4 disadvantages of wind power.
They only work in windy conditions
They cause noise pollution
They can disturb/harm wildlife
Sight Pollution
Name 2 disadvantages of solar power.
They will only work in sunny positions
They need to be angled towards the sun rays
Name 4 disadvantages of tidal power.
Expensive to build
Difficult to access for maintenance and repair
They can disturb/harm sea life
They can change the movement of water which could lead to coastal erosion
Name 3 disadvantages of Hydro-electrical power
It can disturb/harm wildlife
Expensive to build
Destroys the natural environment
Name 1 disadvantage of biomass power.
Deforestation which destroys wildlife
What do photovoltaic cells do?
Convert energy from the suns rays into electricity
What sort of cells are batteries?
Electrochemical cells
Around how may times can rechargeable batteries be recharged and used?
Around 1000 times.
Alkaine batteries come in different sizes and ________.
Voltages
How does nuclear power work?
-> a high energy source of heat is created
-> this heats water into a steam
-> the steam drives a turbine
-> the turbine generates electricity
Name 3 advantages of nuclear power?
✅Clean and Efficient
✅Power plants don’t take up a lot of space
✅It’s a reliable source of energy
Name 2 disadvantages of nuclear power.
❌The waste it creates is radioactive, which can damage the environment and land forms
❌if there is a problem the reactor could explode
What drives the turbine to create electricity in a nuclear power plant?
Steam
What does HEP stand for in terms of renewable energy?
Hydro-electrical power
What can we do to energy that is not needed at the time of generation?
We can store it.
