energy due to an object's position, shape or condition
100
What is kinetic energy?
energy in an object due to its motion
100
What is electric energy?
Energy produced from the moving of electrons in atoms
100
What is sound energy?
Energy produced from vibrations that we are able to hear
100
What is the definition of energy?
Energy is the ability to do work
200
How can you tell if an object's energy is potential?
The object is not moving
200
Which item would have kinetic energy?
a. a rubber band that is stretched out
b. a folded slinky
c. a moving car
C
200
What particles in an atom produce a negative charge?
electrons
200
When a musician plays a violin, when the strings are pulled, the energy is ________________, when the strings are released, the energy is _____________.
potential, kinetic
200
What is mechanical energy?
The amount of work an object can do because of the object's kinetic and potential energy
300
What is gravitational potential energy?
Energy potential in an object because the object is off of the ground but has not fallen
300
How would chemical potential energy be converted to kinetic energy?
By a chemical reaction
300
True or False:
Having less electrons than protons cause an electric charge
False
300
What is thermal energy?
energy produced when atoms are moving
300
Define abiotic and biotic
abiotic: non living factors in an environment
biotic: living factors in an environment
400
What are the two factors that tell us how much gravitational potential energy an object has?
weight and height
400
Give an example of gravitational potential energy turning into kinetic energy?
A book on a shelf being dropped to the ground
400
What is light energy?
Energy produced by electrically charged particles, both seen and unseen
400
What determines an object's thermal energy?
a. the motion of its particles
b. its size
c. its potential energy
d. its mechanical energy
a
400
Why is chemical energy considered potential energy?
Because the energy is stored in the chemical bonds
500
What is elastic potential energy?
Energy produced when an object is stretched and then goes back to its original shape
500
Why is light energy considered kinetic energy?
Light rays are always moving
500
Electricity is produced by a ____________ with a wire coiled around it.
a. electron
b. magnet
c. plug
d. power plant
500
The energy obtained from a change in the arrangement of atoms in a substance is:
a. thermal energy
b. chemical energy
c. mechanical energy
d. gravitational potential energy
b
500
Which phrase best describes how the energy of a roller coaster car changes as it goes down a steep hill?
a. kinetic energy to potential energy
b. potential energy to thermal energy
c. potential energy to kinetic energy
d. mechanical energy to potential energy