Sound and Light

Sounds are created by

• vibrating particles

• waves

• air

• electricity

When light bounces off an object this is known as a

• Refreaction

• Absorption

• Reflection

• Electromagnetic Spectrum

Which of the following objects is opaque

• wood

• glass

• frosted glass

• air

Which of the following objects is transparent

• Glass

• Brick

• Mirror

• Sand

Refraction occurs in glass when

• Light bends towards the normal

• Light bends away from the normal

When light bends this is known as

• Refraction

• Reflection

• Incidents

• Impossible to bend light

Which of the following objects would transport sound the fastest

• Steel

• Wool

• Air

• Water

Which of the following objects would transport sound the slowest

• Steel

• Wool

• Air

• Water

Pitch is __________________.

• how loud or soft a sound is
• how high or low a sound is
• when sound comes back to you

The longer the string on an instrument, the _________ the pitch.

• lower
• higher
• softer