Can energy be created?
No: energy can only be transformed from one form to another, not created or destroyed
What is the name of a solid fossil fuel used in power stations? (hint: it releases lots of CO2 and other pollutants when burned)
Coal
Mechanical energy produces movement and includes .... energy and potential energy
Kinetic Energy
Electricity travels at the speed of light – over 186,000 miles per second.
TRUE
what does 24/7 mean?
What type of energy is potential and kinetic energy?
Mechanical energy
what is an example of natural gas used for energy?
methane
When a hammer is lifted it gains ... energy.
potential
Only 10% of the energy in a light bulb is used as light , 90% is often lost as heat .
TRUE
Which country in the world generates the most amount of solar energy, China or America?
China generates 130 gigawatts a year
What is the energy in movement called?
kinetic energy
a liquid fossil fuel?
petroleum/ petrol
kinetic energy or movement
Energy is created as the result of an activity.
FALSE: As the result of an activity or process, energy is transferred from one system to another. Examples include generating electricity and eating food.
Out of all renewable energy sources, which one does Spain generate the most of?
Wind energy, Spain has a very large wind power capability and is one of the world leaders in wind power generation.
which of the following does not produce light energy?
a) car b) picture frame c) phone d) computer
b: picture frame
Is wood renewable or non-renewable?
Renewable. Forests grow back after a harvest. Other natural resources such as metal ores, coal, petroleum, and natural gas do not grow back.
... is the movement of a charged particle between different places.
electricity
Energy is associated only with movement.
FALSE: Nonmoving objects have potential energy.
Can we use water to make energy?
Yes. Hydroelectric power is electricity that is supplied by generating energy from falling or streaming water. Hydroelectric power is a so-called renewable energy source.
What percentage of energy in the world comes from non-renewable sources?
a) 15% b) 49% c) 75% d) 90%
C- 75% of the energy we use comes from non-renewable energy such as oil, fossil fuels, coal, natural gas and nuclear energy.
What is the source of energy we get from breaking apart a uranium atom?
Nuclear energy
.... is a liquid fossil fuel.
petroleum
Gas doesn’t naturally have a smell
TRUE: Natural gas is mostly made up of methane, which doesn’t have a smell. Sulphur is added to it to give it that distinctive smell. This is for safety reasons, helping you to smell a possible leak.
Is natural gas renewable?
No, natural gas is non- renewable because it comes from sources that will run out or will not be replenished in our lifetimes.