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Light Bright and Sound so Tight
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)
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