Vocabulary
The ability to do work or cause change.
A. Sound
B. Power
C. Energy
Energy
What causes sound energy?
A. Heated objects
B. Light energy
C. Vibrating objects
Vibrating objects
What is energy that travels as a wave?
A. Heat
B. Radiation
Radiation
What is the property that causes matter to have electric force when it is placed near other charged matter?
A. Electric Charge
B. Electric Current
Electric Charge
The distance an object travels in a particular amount of time, such as a minute or an hour.
A. Speed
B. Sound
C. Energy
Speed.
Sound and light are each forms of...
energy
What is the form of energy that we can see?
A. Light
B. Sound
C. Thermal
Light
A material that does not allow electricity to flow is a/an...
A. Conductor
B. Insulator
C. Resistor
Insulator
Stored energy in an object at rest.
A. Potential energy
B. Kinetic energy
Potential energy
Electricity goes from an outlet, through a cord, and into a light bulb. Which word best describes the cord?
A. Current
B. Insulator
C. Conductor
Conductor
What is energy in particles that vibrate as they pass through matter?
A. Sound
B. Light
Sound
Two particles that both have a negative charge will ______ each other.
A. Attract
B. Repel (Push away)
Repel
The energy of a moving object.
A. Potential energy
B. Kinetic energy
Kinetic energy
Give one example of a kitchen appliance that transfers thermal energy.
Oven, toaster, stovetop
What happens to an object's particles when heat is transferred to the object?
The particles move faster.
True or False: An electric current must flow in a complete path.
True
A material that allows electric current to flow through.
A. Resistor
B. Insulator
C. Conductor
Conductor
How does heat move?
From hot objects to cold objects
What happens to the object that is transferring heat energy to another object?
Its particles slow down and the temperature drops.
Why are the inside and outside of electrical wires made of different materials?
The inside is a conductor and allows current to flow, but the outside covering is an insulator and keeps the current inside the wires.