Electricity, light & sound review

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

Refraction occurs in glass when

• Light bends towards the normal

• Light bends away from the normal

Which ray represents the angle of reflection

• 1

• 2

• 3

• 4

A sound that has more waves closer together means it has a higher

• Frequency

• Pitch

• Sound

• Amplitude

A sound that has higher waves means it has a higher

• Amplitude

• Frequency

• Pitch

• Sound

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

Which of these is a good conductor?

• plastic

• wood

• glass

• copper