Light and sound arjun and oriol
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Light and sound
Arjun and Oriol
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What is lightLight is a form of
energy that we can
perceive with our sense of sight.
Ferb what is light ?
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Candace didn’t know but Light goes
approximately 300.000km
per second, it is very fast.
Light is very fast.
Light travels
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Light classify
opaque transparent
translucent
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Flat mirror
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Convex mirror
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Concave mirror
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Refraction
When we look at an object in a
glass of water, the image we perceive seems
to change. Because light
passes from one substance to another at different speeds.
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Lenses
Yes. But do you know that the lenses of the glasses can make
objects look bigger or smaller?
Do you like my
glasses?
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sound
What is sound?
Sound is a form of
energy that we can
perceive with the
ears.
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Candace didn’t now but Soundgoes approximately 6000km per second through iron, it is very fast.
sound is very fast
too.
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Types of sound
Intensity
The intensity of a sound can be strong or weak. Is measured with decibels
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Types of soundsPitch
The pitch of a sound can be high or low. Pitch is the quality of sound that
depends on the frequency of vibrations.
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Types of sound
Timbre
The timbre of a sound allow us to identify
what or who is producing the sound.
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Noise
If a noise is unhealthy, it is
called noise pollution
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Your welcome
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Thanks Laura
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Thanks Lily