Sound-Light-Magnet

What happens when light passes through a small hole onto a screen?

• A clear image of the candle flame

• No image at all

• A shadow of the candle

• A blurry light spot

What is synchronized sound in films?

• Background music played during action scenes

• Sounds recorded separately and matched with the visuals

• Random sounds used in editing

• Dialogue spoken in a different language

What happens to the sound when you hit a drum harder?

• The sound becomes softer

• The sound gets louder

• The pitch changes

• The sound stops

What causes sound to be created?

• By light waves traveling through space

• By vibrations in a medium

• By a change in temperature

• By electromagnetic waves

How does sound propagate through air?

• Sound moves in waves, and air particles shake back and forth in the same direction the wave is going

• Sound moves in waves, and air particles shake up and down across the wave's direction

• Sound can move where there is no air or anything else

• Sound is carried by light that we can see

What happens when light strikes a smooth, shiny surface like a mirror?

• The light bounces back

• The light stops completely

• The light disappears

• The light changes into sound

Which part of the ear collects sound waves?

• Cochlea

• Eardrum

• Pinna

• Auditory nerve

Which of these is an example of an opaque object?

• A clear glass window

• A wooden door

• A sheet of plastic wrap

• A thin curtain

What is the term for light bouncing off a surface?

• Refraction

• Reflection

• Absorption

• Rotation

What causes a shadow to appear?

• Light passing through a transparent object

• Light being absorbed by an object

• Light being blocked by an opaque object

• Light reflecting off a shiny surface