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Energy Review
| Question | Answer |
|---|---|
| What is the ability to do work or cause changes? | Energy |
| What do we call energy of motion, or energy that is already doing work? | Kinetic Energy |
| What do we call stored energy, or energy that is not doing work YET? | Potential Energy |
| Which type of potential energy is stored energy due to its position above the ground? | Gravitational PE |
| What type of potential energy is stored energy due to stretching and compressing? | Elastic PE |
| What type of potential energy is stored energy found within the bonds that hold atoms together? | Chemical PE |
| What happens to Gravitational PE as you increase the mass? | Increases |
| What happens to Gravitational PE as you increase the height? | Increases |
| What happens to the kinetic energy of an object as you increase the mass and speed of the object? | Increases |
| What states that energy can never be created nor destroyed, only transformed from one type to another? | law of conservation of energy |
| What form of energy do moving objects have? | Mechanical Energy |
| What form of energy is created by vibrating energy? | Sound Energy |
| What form of energy is created by moving electrons? | Electrical Energy |
| What form of energy stored in the nucleus of an atom? | Nuclear Energy |
| What form of energy is created by heat energy? | Thermal Energy |
| What is the name of light energy? | Electromagnetic Energy |
| All energy transformations involve a “loss” of energy to which form? | Heat |
| What are 7 examples of electromagnetic (or radiant) energy? | Radiation Microwaves Infrared Visible Light UV rays X rays Gamma rays |
| What type of energy conversion occurs in a flashlight? | Chemical --> Light and Thermal Energy |
| What type of energy is stored in the bonds that hold atoms together? | Chemical energy |
| Into what 2 groups can we classify all SOURCES of energy? | Renewable and Nonrenewable |
| What do we call any natural resource that can easily replenish itself? | Renewable |
| What do we call sources of energy that are in limited supply or take a long time to make? | nonrenewable |
| What type of energy comes from the force of moving water? | Hydroelectric |
| What type of energy comes from the force of air in motion? | Wind |
| What type of energy comes from the remains of plants and animals that lived long ago and due to pressure and immense heat have changed their identity into something like coal, propane or petroleum? | Fossil Fuels |
| What type of energy comes from organic matter such as wood, crops, and animal wastes? | Biomass |
| What energy transformation occurs in a plug in radio? | electrical --> sound |
| What energy transformation occurs in a TV? | electrical --> sound, light, and heat energy |
| What energy transformation occurs in a coal burning fireplace? | chemical --> light and thermal energy |
| What energy transformation occurs in a hand held bell? | Mechanical --> Sound |
Created by:
sloanescience
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