enegy exam

How sound travels?

• Denser materials because these can vibrate more

• In straight lines

What are the qualities of sound?

• Loud, quiet and double bass

• Volume , pich and timbre

Types of electrical charge

• Different and same

• Posiive and negative

Static electricity (types)

• Same and different types of charg

• Volume and timbre

What insulators do?

• Allows the flow of elecricity and heat

• Stops the glow of electricity and heat

What is the function of wire?

• Suppling the electrical current

• Opens and close

• Transport the energy

what is the function of the light bulb?

• Transport the energy

• Converts things into energy

What is sound?

• Sound is a from of enrgy

• Sound is a type of energy