SB1 Wave words Set 3 All

Triangle of glass used to refract light

• retina

• lens

• prism

• echo

Band of colours seen when light is dispersed by a prism

• echo

• spectrum

• retina

• sonar

Refracts light to focus it in the eye or a camera

• lens

• prism

• sonar

• opaque

Back of the eye where light-sensitive cells form an image

• oapque

• lens

• prism

• retina

Turns sound energy into electrical energy

• loudspeaker

• echo

• sonar

• microphone

Turns electrical energy into sound energy

• loudspeaker

• prism

• microphone

• echo

Sound reflected off a surface

• spectrum

• echo

• retina

• loudspeaker

A material that lets a wave pass through

• opaque

• lens

• transparent

• loudspeaker

A material that won't let a wave pass through

• sonar

• opaque

• transparent

• prism

Measuring distances using sound echoes

• sonar

• retina

• echo

• spectrum