A
Styrofoam, glass (fiberglass), wood and rubber.
What are examples of heat insulators?
A material that allows heat or an electric current to flow through easily
Conductor
Energy resulting from the flow of electric charge through a conductor
Electrical Energy
A material that DOES NOT allow heat or an electric current to flow through easily
Insulator
Why does heat move slowly through air and other gasses?
particles in these gasses are far apart.
What are two forms of conducted energy?
heat or electricity
Why do solids conduct heat better than liquids and gasses?
This is because the particles in solids are closer together.
Thermal energy is also called _______ energy.
heat
What is an electric current?
Electric current is a steady flow of energy particles with an electrical charge.
True or False
The faster the particles move, the more heat they produce.
True
What are the best conductors of heat?
The best conductors are metals.
_________ energy can travel through empty space.
light
What does electricity need in order to travel?
A circuit
What are the tiny bits called that all matter is made of?
particles
Energy from vibrations that you hear
Sound
What form of energy do many household appliances use?
electrical energy.
The pathway through which electricity flows
circuit
A change in nature, form, or units
Conversion
A series of small, fast movements back and forth or from side to side
Vibrations
List the 5 forms of energy.
Mechanical
Electrical
Light
Thermal
Sound