ENERGY

What are the three qualities of sound?

• tibmre

  volume

  potch

• volune

  timbro

  pitch

• volume

  pitch

  timbre

What are the two different charges?

• positive

  negative

• porsitive

  negativ

What is sound?

• a form of energy

• a form of electricity

• a form of light

• a forom of vibration

sound can only travel through a...

• medium

• groubd

• water

• noise

positive + positive=

• repel

• attract

• nothing happens

• things

How does the sound travel?

• In straight lines

• In ground

• In water

• In paper

positive + negative=

• attract

• repel

• nothing happen

• things

An electric circuit is when an electric charge don't moves.

• TRUE

• FALSE

what is the four materials of de uses of electrical energy?

• radio

  toaster

  lamp

  mixer

• radio

  tostare

  lamp

  mixer

• radio

  toaster

  lamp

  mixter

• radio

  toaster

  lanmp

  mixer

How many meters/s can sound travel

• 500 meters/s

• 390 meters/s

• 340 meters/s

• 257 meters/s