Energy Flashcards
What is wind energy
Huge wind turbines use wind energy to produce electricity
What is wave energy
The wind causes waves which have lots of energy they make floats move up and down to turn a generator
What is hydro electric energy
Water is stored behind a dam and when it is released it turns a turbine to generate electricity
What is geothermal energy
Cold water is piped down a deep hole and gets heated up by the ground
Where can energy be stored
Food fuel and strain
What is gravitational energy
The energy stored in objects at height
What is potential energy
Energy which is stored
What is strain energy
Energy stored in a springy material
Are fossil fuels renewable
No
What is a disadvantage to renewable energy
Doesn’t create as much energy
Ugly
Isn’t always reliable
What is fuel
Fuel can’t be burnt to release heat and light
Fuel stores energy
What type of energy does a car have
Chemical in petrol
Kinetic making the car move
Heat energy warming the engine
What type of energy does a torch have
Chemical in the battery
Heat and light from the bulb
What is kinetic energy
The energy of a moving object
How many years of oil do we have left
40
