light and sound
cricketrets have ears on their legs.
A rainbow is made by light.
light is energy.
How you see light is by light reflecting.
sound comes from vibrations.
the speed of sound is all around us.
the speed of sonud is 767.
waht is light.
the speed of sound is 767 miles per hour 1230.
people make light fromelectricity
all li8ghtycomes from a source.
the sunas light.
is a form of energy which our sense of sight can detect
light travels in straight lines
light travels much more quickly then sound
the speed of light is about 300,000 km per second
motor car headlamps give straight beams of light
sounds are made when a material vibrates
sounds are nothikng more than tiny shaking movements of the air
sound moves through the air at 340m per second
whales in the ocean sing to each other.thesound of their song can trael a distance of 800km
light is the fastest thing in the universe
colors are different wavelengths of light
a hampback whales sound can be heard by other hampbacks up to 100 miles away
sounds travels slower then light
thank goodness for sound
the volume of sounds can be measured ion decibels
crickets have ears on theilr legs
sound can travel through water
thank you for waching my wideo
Ihope you like it