what is coal?
What is used to power coal power plants?
What is Coal
what are kinetic and potential energies?
kinetic energy when something is moving, and Potential energy remains stored until the situation changes and the energy is released. Potential energy can be converted into Kinetic energy
at the beginning of the process a machine called a pulverizer grinds the coal into a fine powder. What type of energy is used to do this?
what is mechanical energy
What type of energies are created when coal is burned?
What is heat and light energy
what is heat energy?
Heat energy is the movement of tiny particles called atoms or molecules in solids, liquids and gases.
The burning coal heats water in a boiler and this creates steam. what energy transformations occur at this time?
What is Chemical energy creates heat energy
What type of resource is coal considered?
Non-renewable energy source.
what is chemical energy?
Energy stored in the bonds of chemical compounds, often released during a chemical reaction.
Steam released from the boiler powers an engine called a turbine. What energy transformation happens at this point?
Heat energy is converted into mechanical energy by using the hot steam to power the turbine (make it move)
Why is coal said to be non-renewable?
Because it takes millions of years to form under the earth's crust
what is mechanical energy?
Energy that an object has because of its motion and its position.
coal powder mixes with hot air and the mixture moves to the furnace. What energies are used at this stage of the process.
What is Heat and motion energy
what are non-renewable resources like coal called?
Fossil fuels
What is Electrical Energy?
Energy derived from electric potential energy or kinetic energy.
A condenser cools the steam moving through the turbine and as the steam is condensed, it turns back into water. What energy transformation happens at this point?
the motion from the steam being condensed turned it back from one thing into another which is known as a chemical change or in other words, the mechanical energy transformed into chemical energy.