Waves
What is a Transverse wave?
A wave that travels up and down like a wave in the ocean.
Light travels via which sort of wave. Longitudinal or Transverse?
Transverse
What sort of wave does sound travel via?
Longitudinal Waves
What is the gas we breathe
Oxygen
What is reflection?
When light is thrown back off of a surface.
What is a longitudinal wave.
Is the speed of light or sound faster?
Light.
What is required for sound to travel (think about why sound cant travel in space).
It requires a physical medium like air, wood, water.
What is the boiling point of water
100 degrees Celsius
What is refraction?
Light wave passing through different physical mediums and changing speed.
List 2 things that travel via waves
Sound
Light
List two items that reflect light.
Mirrors, Water surface, Windows, Screens.
what is the speed of sound roughly.
a) 1020kph
b) 1220kph
c)100,020kph
d) 520kphb) 1220kph
True
Is a mirror reflecting or refracting light
Reflecting
what is the top and bottom of a wave called (the feathers on top of a cockatoos head and what farm animals drink out of)
Crest and Trough
List three items or object which produce their own light.
Torches, Phone/computer screens, light bulbs, The sun, Fire,
list 3 things that create sound.
Any Reasonable answer.
How many hearts does an octopus have
3
what energy forms can be reflected?
Light, Heat, Sound
What does is amplitude
The height between the midpoint of a wave and the crest.
What is the definition of Luminous
In solid materials because the particles are very close together.
How many teeth do adults have
32
How did Mr Burke make the glass disappear in oil.
Because oil and glass have the same refractive index, it appears as though the glass was not there.