Chapter 5
Energy can neither be created nor destroyed. It can only be changed from one form to another.
What is the Law of Conservation of Energy?
technology used to produce electric energy.
What is a generator?
How green plants capture energy from the sun.
What is photosynthesis?
Coal oil and natural gas.
What are fossil fuels?
Three essential components to consider when energy transforms from one form to another are
What are input energy, converter of energy and output energy?
What a machine is if most of its input energy is transformed into useful output energy?
What is efficient?
The rate at which the body uses energy.
What is metabolism?
Once gone, they are gone. Fossil fuels are
What is non-renewable?
Most energy conversions give off energy in the form of
What is thermal (heat) energy?
The common unit of electric power.
What is watts?
The first source of energy the body will use.
What are carbohydrates?
A process used to separate the parts of a mixture.
What is distillation?
The ability to do work.
What is energy?
Burning coal is used in this type of power plant.
What is thermo-electric?
The last source of energy the body will use.
What is protein?
Because they are made of carbon and hydrogen, fossil fuels are called
What are hydrocarbons?
What is potential energy?
The measure of the amount of electricity used in a current of time?
What is power?
Excess glucose converted and stored in liver and muscles.
What is glycogen?
A fossil fuel found in thick beds or seams.
What is coal?