Energy Types And Sources Flashcards
What is energy
Energy is the ability to do work. Work is done when a force moves an object
What is potential energy
This is energy that is due to its position or shape
What is kinetic energy
Kinetic energy is energy stored in chemicals such as food and batteries
What is light energy
Light energy is energy from the sun. Light bulbs provide light energy
What is heat energy
Heat energy is fire and fire provides energy to heat our homes
What is electrical energy
A wire carrying electricity can be used to supply energy to machines
What is sound energy
Sound energy is a form of kinetic energy created when objects vibrate
What is nuclear energy
When the nucleus of an atom is split it releases stored energy
What is the most important energy source
The sun is the most inportant energy source
What are fossil fuels
Fossil fuels are made up from dead plants and animals over millions of years
What is non renewable energy
Non renewable energy is an energy source that will not be regenerated in our lifetime
What is renewable energy
Renewable energy is a source that will never be used up
How does hydroelectricity work
Rivers are damned and to convert kinetic energy to electrical energy
What is biomass
Biomass is harvesting chemical energy from plants to fuel
What is wave/tidal energy
It is kinetic energy from the waves to produce electricity
