Light And Sound Flashcards
Sound is made when…
Something vibrates
Sound travels best through…
A solid as the particles are so close together
What does opaque mean?
Not able to see through
What does transparent mean?
Allowing light to pass through so that objects can be distinctly seen
What does translucent mean?
Allowing light, but not detailed shapes, to pass through
What does amplitude mean?
distance moved by a point on a vibrating body or wave
Smaller objects generally…
Vibrate faster therefore making higher pitch sounds
The size of the vibrations is usually known as…
Amplitude
Frequency is..
The number of waves per second
The higher the amplitude…
The louder the sound
The shorter the wavelength…
The higher pitched the sound
The higher the frequency
The higher pitched the sound
Materials can..
Absorb, transmit and reflect sound
What are the primary colours?
Red,blue and green
What are the secondary colours?
Magenta, yellow and cyan
