Energy Flashcards
Energy
Energy
What are the two major forms of energy?
Kinetic energy and potential energy.
What is potential energy?
Elastic potential energy is when an object has stored energy that can be released to create movement
What is involved in nuclear energy?
Nuclear energy involves the splitting and joining of atoms.
What is light energy?
Light energy is energy. It comes from sources such as light globes, the sun, and fires.
What is a power source?
A battery or a power point in the wall (wall socket). It is the source of electrical potential energy.
What is heat energy
Heat energy ( also known as thermal energy) is made from friction such as rubbing your hands together. It is can also be generated from chemical reactions
What is nonrenewable energy?
Nonrenewable energy uses up resources that we cannot recreate. Some examples of this are gas to run our car and coal burned in power plants. Once they are used, they are gone forever.
What is renewable energy?
A renewable energy source is one that can be replenished. Examples of this include hydropower from turbines in a dam, wind power from windmills, and solar power from the sun.
What are wires usually made of?
Copper wire surrounded by a plastic coating.
What is a switch and what does it do?
A switch opens and closes the circuit. It breaks the conductive path when switched OFF and makes an electric circuit when switched ON.
Which of the following statements is the most accurate?
- Like charges will attract each other.
- Unlike charges repel.
- Charged objects will attract uncharged objects.
- Opposite charges will repel.
Charged objects will attract uncharged objects.
What type of energy does a trampoline use?
Potential kinetic energy.
old stuff
What is potential energy
Potential energy is built up energy waiting to be used
What is potential energy
Potential energy is energy that is stored and waiting to be used
What is potential energy
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