WorksheetsLight
Total questions: 25
Worksheet time: 14mins
A Wall is...
Transparent
Translucent
Opaque
None
Clear glass is...
Transparent
Translucent
Opaque
None
Frosted glass is...
Transparent
Translucent
Opaque
None
A material that allows ALL light to pass through easily so images are seen clearly, is....
Opaque
Transluscent
Transparent
None
A material that allows SOME light to pass through so images are not clearly seen, is....
Opaque
Transluscent
Transparent
None
A material that allows NO light to pass through so NO images are seen, is....
Opaque
Transluscent
Transparent
None
Thin curtains are..
Opaque
Transluscent
Transparent
None
Why is a shadow formed?
Light bounces off the object and a shadow is formed
Opaque objects block ALL light from passing through it.
Transparent objects block light from passing through it
Light travels AROUND an object and makes a shadow behind it.
LIGHT TRAVELS........
In wiggly lines
In bent lines
In zig zag lines
In straight lines
How do we see an object..?
We look at it with our eyes and it are just there
Light comes out from our eyes shines on to the object
Light from a source reflects off the object and then into our eyes
Light from a source bounces into our eyes and then out onto the object
How could you show that light travels in a straight line? (2 correct answers)
Shine a torch at a wall in front of you
Shine a light source at an object around a corner
Light a candle
Use a light source to make a shadow
Which is NOT a light source?
Sun
Spotlight
Torch
Eye
How many colours are there in the visible spectrum?
5
7
9
11
What can be used to split white light into the visible spectrum? (2 answers)
WALL
PRISM
RAIN WATER
APPLE
which scientist split white light into the visible spectrum using prisms?
Gallileo Gallilei
Edward Jenner
Isaac Newton
Albert Einstein
When light is REFRACTED it is ......
Speeded up
Bent
Stopped
turned around a corner
Light is refracted or bent because it travels from ..
One planet to another
One torch to another torch
One medium (material) to a different medium
An opaque object to another opaque object
Light will bend or REFRACT when it travels from (2 answers)
Air to Water
Water to Water
Glass to Air
Glass to Wood
What could we make to help us see an object over a wall?
Telescope
Microscope
Periscope
Optiscope
What does this photograph show you? (2 answers)
Light travels in straight lines
Shadows are formed by opaque objects
It is a cloudy day
The people are transparent objects
If we look at a green object through a green filter it will be..
Green
Red
Black
Yellow
If we look at a green object through a red filter it will appear to be..
Green
Red
Black
Yellow
What is the BLACK part of the eye called?
Iris
Cornea
Pupil
Optic nerves
What is the BROWN part of the eye called?
Iris
Cornea
Pupil
Optic nerves
If the IRIS opens wide - it wants to....
Let MORE light into the eye so we can see in the dark
Let LESS light into the eye so we can see in the dark.
Make your eyesight worse
Change to colour of your eyes
