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Energy 3-2
Talbert, different forms of energy
Question | Answer |
---|---|
Mechanical Energy | The energy in moving things; Examples: walking, running, riding a bike |
Electromagnetic Energy | Electricity, light, radios, televisions, refrigerators |
Heat Energy | Energy of moving particles of matter; faster the particles move, the more heat energy they have |
Chemical Energy | Energy that holds particles of matter together; Examples: wood, coal, plants |
Nuclear Energy | Energy stored in the nucleus of the atom Example: heat and light from the sun |
Work | force x distance |
Joule | metric unit of work; equal to 1 N-m (newton-meter) |
Conduction | Heat transfer in solids |
Conductors | substances that conduct heat easily |
Insulators | substances that do not conduct heat easily |
Convection | heat transfer in gases and liquids |
Convection Currents | up and down movements of gases or liquids caused by heat transfer |
Radiation | transfer of heat through space |
Vacuum | Empty space |