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Anything about Energy

100

What is electricity?
The flow of electrons through a circuit

100

What is chemical energy?
Energy stored in chemical bonds

100

What is thermal energy?
It is the total energy of all the particles in a substance

100

What is light energy?
Energy produced by the vibration of electrically charged particles

100

What is a nonrenewable resource?
An energy resource tht cannot be replaced or replaced much more slowly than they are used.

200

What is an electric current?
The rate at which charges pass through a given point.

200

Is chemical energy potential energy or kinetic energy? Why?
It depends on the position and the arrangement of the atoms and it is not yet released.

200

What is another word for thermal energy?
heat

200

True or False: Light energy does not need to be carried through matter (it can go through an area where there is no matter).
True

200

What is a fossil fuel?
An energy resource that forms from the buried remains of plans and animals.

300

What is an electron?
It is a negatively charged particle in an atom

300

When does chemical energy turn into kinetic energy?
When a chemical reaction takes place.

300

If an item is hot, the atoms in the item are moving _______
Fast

300

What is sound energy?
Energy that is caused by an object's vibration

300

What is the Law of Conservation of Energy?
Energy is not created or destroyed, it just changes form.

400

What are the three parts of a simple circuit?
energy source, circuit, load

400

Name the process in which light energy is converted into chemical energy in plants.
Photosynthesis

400

Explain why all energy conversions produce some thermal energy.
Friction is caused and it causes thermal energy

400

Mrs. Denney went to a band concert on Tuesday night. Explain how she was able to hear the violins?
As the violin strings vibrate, they cause particles in the air to vibrate. These vibrations transmit sound energy.

400

Name an example of an energy conversion.
When you eat a meal and then go play basketball. Chemical energy is converted into kinetic energy.

500

If a switch is on in a circuit, the circuit is: a. open b. closed
b. closed

500

Give an example of chemical energy being converted into kinetic energy in people.
Eating a meal and then getting on the bus and going to your favorite place.....school!!!!

500

Explain how an object can have both potential and kinetic energy at the same time.
An item can be moving, but it can also have more potential energy and is able to move even longer (example: a wind up music box).

500

When the vibrations enter our ears, how do our ears enable us to hear the sounds?
The vibrations enter the ear, and the auditory nerve carries the message to the brain and the brain says that we will hear the sound.

500

What is a renewable resource?
Natural resources that are replaced as fast as they are being used (ex: sunlight or wind)