NEW
Font size
WorksheetsLight and shadow and Light intensity
Total questions: 27
Worksheet time: 17mins
Why does the Moon look shine at night?
It reflects the Sun's light
It refract the Sun's light
It bends the Sun's light
It block the Sun's light
Diagram of light travel, is it true?
yes
no
Diagram of light travel. Is it true?
yes
no
We can measure the intensity of light using ...
light meter
thermometer
barometer
sound meter
Reflected ray shown by letter ....
A
B
C
D
Do the objects in which you can see your reflection have smooth or rough surface?
smooth
rough
How the shadow formed at 12 pm?
short
long
How the shadow formed at 7 am?
short
long
lets lots of light through
transparent
translucent
opaque
lets some light through
transparent
translucent
opaque
The length of shadow increases as the Sun moves from noon to afternoon.
true
false
Shadow will get smaller if the light source getting closer to the object.
true
false
If we moves object closer to the source of light.
What happens to the size of the shadow?
increase
decrease
stay at the same
If we moves object further away from the source of light.
What happens to the size of the shadow?
increase
decrease
stay at the same
Which is the example of translucent object?
mosquito net
wood
bricks
glass
Periscope can work because it ...
contains mirrors to reflect the object
contain lens to absorbs the light
contain paper to blocks the object
Shadows are formed because light travels in straight lines
true
false
As one approaches (gets closer) to a light bulb, the brightness of the bulb....
Increases (brighter)
Decreases
Stays the same
Changes in some unknown way
Choose the correct shadow!
Can we form a shadow in total darkness?
Yes, we can
No, we cannot
