Sound energy

One example of sound energy is: ___________

• Lamp

• Table

• Radio

___________:It is sound vibrations that we hear with our ears.

• Light energy

• Sound energy

• Heat energy

It's one source of sound energy.

• Sun

• Electric bulbs

• Living things

______________ a column of air into resonance, making strong vibrations.

• Percussive instruments

• Brass and wind instruments

It's NOT a sound source.

• Machines

• Flame

• Electronic instruments

The chracteristics of sound are: ______

• Loudness, pitch and brightness

• Loudness, pitch and color

• Loudness, pitch and frequency

It's a source of sound energy.

• Explosion

• Rainbow

• Machines

It's NOT a source of sound energy.

• Acoustic instruments

• Electronic instruments

• Lanterns

___________: a hammer strikes an object and makes it vibrate.

• Percussive instruments

• Brass and wind instruments