Worksheets5th Grade The way we see things
Total questions: 20
Worksheet time: 10mins
The thing which give off light are called light source.
true
false
Light is form of ....
fire
energy
force
air
A bundle of light rays makes up ....
light ray
light dimension
beam of light
light generators
What is the correct order of what happens when our eyes see the flower in the picture:
1. the light bounces off
2. the light enters the boy's eyes
3. the sunlight hits the flowers
1-2-3
3-1-2
2-1-3
none
This graph shows how the light intensity changes as the distance from the light source increases.
What is the light intensity at 30 cm from the light source?
2000 lux
1500 lux
550 lux
4500 lux
Which of these are examples of man-made sources of light?
lightning
sun
campfire
stars
Light always travels in a ... line.
straight
square
curved
elliptical
The intensity of the light can be measured using a .....
intenisty
stopwacth
volt meter
light meter
The unit of light intensity is called ...
gram
volt
lux
meter
Based on this graph, the light intensity at 10 cm from the light source is ... lux.
1500
2500
2000
500
We can see an object because the ... enters our eyes
light
sun
shadow
air
Object with smooth surface reflect light ....
well
unwell
rough
dull
When light falls on a smooth surface, it is reflected in ..... direction
different
same
well
none
When light falls on a rough surface, light is reflected in .... directions
same
different
well
none
These are some uses of mirror except....
mirror in hair salon
blind corner mirror located at the bend of a road
car wing mirror
knowing someone faces
The moon doesn't give off its own light
true
false
moonlight is actually reflected sunlight
true
false
earth can't reflect light from the Sun
true
false
In which object can you see your own reflection?
piece of paper
kettle
toy block
spoon
When only a little light falls on an area, it will look ...
bright
dim
dark
clear
