Aicle Light and Sound

1. Light and sound
Arjun and Oriol

4. What is light
Light is a
form of
energy that
we can
Ferb what is
perceive
light ?
with our
sense of
sight.

5. Light travels
Light is very
fast.
Candace didn’t
know but
Light goes
approximately
300.000km
per second, it
is very fast.

6. Light classify
opaque transparent
translucent

7. Flat mirror

8. Convex mirror

9. Concave mirror

10. 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.

11. Lenses
Do you like
my
glasses?
Yes. But do
you know that
the lenses of
the glasses
can make
objects look
bigger or
smaller?

12. sound
What is
sound?
Sound is a
form of
energy that
we can
perceive
with the
ears.

13. sound is
very fast
too.
Candace didn’t
now but Sound
goes
approximately
6000km per
second through
iron, it is very
fast.

14. Types of sound
Intensity
The intensity of a
sound can be strong
or weak. Is
measured with
decibels

15. Types of sounds
Pitch
The pitch of a
sound can be
high or low.
Pitch is the
quality of
sound that
depends on the
frequency of
vibrations.

16. Types of sound
Timbre
The timbre
of a sound
allow us to
identify
what or who
is producing
the sound.

17. Noise
If a noise is
unhealthy, it is
called noise
pollution

18. Your welcome

19. Thanks Laura

20. Thanks Lily