Forms of energy
It is energy found from the sun, plants use it to carry out photosynthesis
light energy
Energy can be _________ from one object to another. For example, the energy ____ from the girl's leg to the ball
transferred
hydroelectric power stations use
water
An _________ ________ is a closed path around which electricty can flow
electric circuit
what is the main cause of global warming?
carbon dioxide
moving objects, such as a car or a spinning top, contain ______ energy
mechanical energy
Energy can be ________ from one place to another. For example, pipes can ______ the energy in gas
transported
wind power stations use
wind
It transforms electrical energy into light, sound, movement etc. It can be a light bulb, a buzzer, a motor etc
Output device
What's one way to use energy responsibly?
turn off devices when not in use, use energy from renewable sources, cycle, use public transport, or walk, use heating and air conditioning systems correctly, choose energy efficient products at home
_______ energy flows through cables and makes devices like phones and computers work
electrical energy
Energy can be _________ from one type of energy to another. For example, electrical energy ____ into mechanical energy and the fan moves
transformed
thermal power stations and nuclear power stations use
fuels to hear water and produce steam
It conducts the current. It is usually made of copper
Wire
what we use to produce electricity
energy sources
food, fuels, cells, and batteries store _______ energy
chemical energy
Energy can be _____ and used later. For example, batteries ____ energy that can be used for the TV remote control
stored
In a power station, mechanical energy from water, wind, or steam rotates the
turbine
It turns a circuit on or off
switch
the sun, internal heat of the earth, water, biomass, and wind are examples of ___________ energy sources
renewable
some substances, such as uranium and plutonium, contain __________ energy
Nuclear energy
BONUS: what is energy?
the capacity to make change
The turbine is attached to a __________ which produces electricity
generator
It provides the electrical energy. It can be a cell or a battery
generators
nuclear fuels and fossil fuels are examples of ___________ energy sources
non-renewable