WorksheetsP3 Science - Light
Total questions: 50
Worksheet time: 30mins
Light is a form of energy that allows us to ______.
Hear
Smell
See
Which part of our body do we use to detect light?
Things that give out light are called _______________
light sources
fire
the sun
Which picture is showing darkness?
What does darkness mean?
The night
Absence of light
Too much light
One of these is not a source of light
Sources of light that are natural are . . . .
Fireflies and lightning
Sun and flashlight
Burning candle and fire
Sources of light that are human-made are . . .
Fireflies and firework
Sun and lamp
Flashlight and firework
Which is NOT a source of light?
The bouncing of light off an object is called a _____.
mirror
shadow
reflection
We are able to see the moon because it ____________
gives out light
reflects light from the sun
reflects light from the earth
The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?
We are able to see objects because they ____________ light into our eyes.
reflect
shine
block
A boy saw a butterfly when he turned on his lamp.
Which of the following shows how the light path enabled the boy to see the butterfly?
from lamp to butterfly to boy
from lamp to boy to butterfly
from boy to lamp to butterfly
A material that allows light to pass through is called _____ material.
opaque
translucent
transparent
Which one is a natural light?
Moon
Sun
Planet
Rays of light travel in ... lines.
wavy
straight
curve
Materials that only allows some light pass through is called _____ materials.
translucent
opaque
transparent
Collin doesn't want people to be able to see through his window, but he wants some light to get into the room through the window. Which type of material should he put as his room's window?
Translucent
Opaque
Transparent
Romeo has a water bottle that doesn't let anyone see what he drinks. What type of material made it?
Translucent
Opaque
Transparent
Maddy has a pencil case where she can see through,. What type of material made it?
Translucent
Opaque
Transparent
Shadow is formed when light is _________ by an object.
blocked
passed
reflect
When an object is placed ____________ the light source, the shadow formed on the screen is ____________ the object.
closer to, smaller than
closer to, bigger than
far from, bigger than
Why does this tree make a shadow?
It blocks light.
It gives out the light.
It reflect the light.
Which will make the darkest shadow?
When sun is behind you, your shadow is .....
behind you
in front of you
at the side of you
How is a shadow created?
When an object reflects the light
When an object blocks the light
When an object lets light pass through
We can see an object because the ____________ enters our eyes.
Sun
shadow
light
A sheet of tissue paper is _____________ which will let some light pass through it.
Translucent
Transparent
Opaque
Shadows are ______________ at midday.
longest
tallest
shortest
Choose the correct shadow!
How can you make the shadow of the ball bigger on the screen?
Move the ball nearer to the screen.
Move the screen nearer to the ball.
Move the lamp nearer to the ball.
Shadow is formed on the ___________ side of the source of light.
left
front
opposite
Which statement about an opaque object is true?
It is black in colour.
It blocks light.
It lets most of the light through.
Which of these objects is transparent?
Choose ALL correct answer(s).
Glass jar
Wooden door
Glass mirror
Metal sieve
This man is looking into a cave.
Why is it dark inside the cave?
Because it is night time.
Because the colour of cave wall is black.
Because no light enters the deeper side of the cave.
The picture shows a tree and the shadow it makes on a sunny day.
Which letter shows where the Sun was when this shadow was formed?
A
B
C
The bar chart shows the length of the shadow of the tree at different times of the day.
Use the bar chart to answer the questions.
How much longer is the shadow at 09:00 than the shadow at 11:00?
2 meter
3 meter
4 meter
The bar chart shows the length of the shadow of the tree at different times of the day.
Use the bar chart to answer the questions.
At what time is the shadow shortest?
07.00
12.00
16.00
The bar chart shows the length of the shadow of the tree at different times of the day.
Use the bar chart to answer the questions.
At what time is the Sun highest in the sky?
07.00
12.00
16.00
The correct pairs of the hands to their shadows is ____.
a1 - b2 - c3 - d4
a2 - b3 - c1 - d4
a2 - b3 - c4 - d1
The hands make shadows because they ______ light.
block
reflect
emit
Objects that do not let light pass through are ____.
transparent
translucent
opaque
Choose ALL transparent object.
Glass
Paper cup
Plastic cup
Aquarium
These people are standing behind glass.
What is the difference between the glass in the two
pictures?
First picture shows transparent glass, but second picture shows translucent glass.
First picture shows opaque glass, but second picture shows transparent glass.
First picture shows translucent glass, but second picture shows transparent glass.
The sign has a light inside it.
Write one word in each space to complete the sentences.
In the cinema, it is very ________ because there is no light.
The exit sign has a light so people can _____ it.
bright - find
black - colour
dark - see
Ben uses this equipment to see the shadow of a box on a screen.
Which is the source of light?
box
screen
torch
Ben uses this equipment to see the shadow of a box on a screen.
Ben moves the torch further away from the box.
What happens to the shadow of the box?
It gets bigger.
There is no change to the shadow.
It gets smaller.
The pictures show three different objects with a leaf behind them.
Correct description for opaque, translucent or transparent for those object is ____.
The glass window is opaque, the sunglasses are translucent, and the backpack is transparent.
The glass window is translucent, the sunglasses are transparent, and the backpack is opaque
The glass window is transparent, the sunglasses are translucent, and the backpack is opaque
