Check It Out! Light & Sound. Серия книг о законах физики для детей

31 Pages·3.784 MB·English

by  Twist Clint.

Sunlight
Light is energy that we can see. During the
day, we get natural light from the sun. This light
is called sunlight.
Sunlight is bright
when there are
no clouds.
NEVER
look directly
at the sun, even
if you are wearing
sunglasses. It can
Bright light
;^pp7^ damage your jf^
Easy to see
eyes. '
What do you think?
Clouds in the sky sometimes block sunlight.
The clouds make the sunlight dim—less bright.
Is it easier or harder to see when
light is dim?
5
(03 96od uo
Answers
Page 5 Page 7
It is harder to see when light is dim. It is tight in a box when you take off
the lid.
Dim light = Box without lid =
Harder to see Light inside
Page 9
It is easier to see o page if you hold a The ball wiil make a round shadow
flashiight very close to it.
Close to
flashlight =
Bright light
20
Darkness
When there is no light, there is darkness
Box with lid = Dark
inside
It is dark inside this box. The box
blocks the light from getting inside.
6
What do you think?
Now the box has no lid. The light can get inside the box.
.Box without lid
Is it light or dark in a box when
you take off the lid?
7
(03 dSod UO J9MSUV)
Answers
Page 5 Page 7
It is harder to see when light is dim. It is tight in a box when you take off
the lid.
Dim light = Box without lid =
Harder to see Light inside
Page 9
It is easier to see o page if you hold a The ball wiil make a round shadow
flashiight very close to it.
Close to
flashlight =
Bright light
20
Making Light
When it is dark, we can make artificial light
by switching on a lamp or flashlight.
The light is
brightest close
to the lamp.
The light is
dimmer farther
away from
the lamp.
Far from flashlight =
Dim light