When you turn your toaster on, what type of energy is being transformed?
Electrical energy to heat energy
100
What are two examples of sound energy?
instrument, stereo, baby crying, etc.
100
When heat is moving from your hand to an ice cube, it is being...
a.transformed
b. transferred
c. changed
d. lost
transferred
100
What type of energy gives your washing machine power?
electrical energy
100
What is the center of an atom called?
nucleus
200
When you eat an apple and then go for a jog, what type of energy is being transformed?
Chemical energy to mechanical energy
Chemical energy to mechanical energy
200
What are two examples of light energy?
sun, light bulb, etc.
200
In what direction does heat energy always travel?
from warm to cold
200
Together, kinetic and potential energy are called _____________ energy.
mechanical
200
what is moving in an electric current
a. atoms
b. protons
c. nuetrons
d. electrons
electrons
300
You turn on your battery operated radio. What type of energy is being transformed?
chemical energy to sound energy
300
What are three examples of mechanical energy?
running, walking, swimming, etc.
300
When energy is changed from one form to another, we call it:
a. transfer
b. transformation
c. lost
d. conserved
tansformation
300
Which type of energy creates a vibration?
sound energy
300
What is an insulator?
a substance that lets very few electrons pass through
400
What energy is being transformed when the sun helps plants grow?
Light energy to chemical energy
400
What are three examples of electric energy?
T.V., microwave, coffee maker, refrigerator, etc.
400
When one type of energy is moved from one place to another, we can say that energy has been:
a. transformed
b. lots
c. conserved
d. transferred
transferred
400
What types of energy come from the sun?
heat and light energy
400
what is a conductor?
A material that electrons flow through easily
500
What type of energy is being transformed when a person plays a guitar?
Mechanical energy - sound energy
500
What are three examples of chemical energy?
batteries, food, fuel
500
Energy is neither _____________ or _______________
a. created or destroyed
b. transformed or transferred
c. created or transferred
d. destroyed or moved