Topic 11c Energy & Electricity Flashcards
Give an example of a low wattage appliance?
Energy Saving Light Bulbs
What is one of the disadvantages of Coal power stations?
Gases and ash go into the air and cause air pollution. This makes people sick
What do Nuclear Power Stations use as a source of fuel?
Uranium that has been mined
What is the downside of nuclear power stations?
They produce dangerous nuclear waste
What negative do both Nuclear & Coal powered stations have?
Both rely on mining Which damage people’s healthAnd the environment
Read this Key Concept carefully
- Electricity from the power station goes in a circuit to our homes and then back to the powers station.
- As it goes through the circuit, some of the electricity is changed into other types of energy
- A power station needs a source of energy
- The source of energy in a power station can be fuel such as coal
- Some power stations use energy from wind, falling water or heat from the Sun
Why is electricity dangerous?
- Because if the wires and appliances are damaged or not connected properly they can cause fires.2. They can give people shoks.
Name two substances that electricity cannot go through?
- Plastic2. Rubber
Name 3 substances that electricity can go through easily?
- Water2. People’s bodies3. Metal
True or false: You can add as many appliances into one wall socket as you want to?
False
True or false:You must switch off a switch before pulling out a plug.
True
How must you hold a plug when taking it out of a socket?
Hold it on the sides
True or false:Wall sockets a really useful for stick incense sticks into them?
FALSE!Don’t stick ANYTHING except a plug into a socket.
What makes electrical cords safe?
They are covered with thick plastic
Where must you NOT put electrical cables?
- Under carpets2. Through hinges 3. On the back of doors
