WorksheetsLight year 4
Total questions: 50
Worksheet time: 25mins
How does the light travels?
Bagaimanakah cahaya bergerak?
in parallel
in a straight line
on its own orbit
on its own path
The situation in the diagram shows that
Situasi dalam rajah menunjukkan .....
light travels in a straight line
light is everywhere
light penetrates certain objects
light is produces by the Sun
Which of the following shows that light can be reflacted ?
Manakah antara berikut menunjukkan cahaya boleh dipantulkan?
Which of the following objects produces the clearest shadow?
Manakah antara objek berikut menghasilkan bayang-bayang yang paling jelas?
Coloured plastic
Clear plastic
Frosted glass
Cardboard
In an experiment, the shadow was formed but not so clear. Which type of object do you think was used in this experiment?
Dalam satu eksperimen, bayang-bayang yang terbentuk tidak begitu jelas. Antara berikut , objek yang manakah digunakan dalam eksperimen ini?
Coloured paper
Manila card
Wooden block
How to increase the size of the shadow on the screen?
Bagaimanakah cara untuk menambah saiz bayang-bayang ?
Move the light source farther from the object
Move the object closer to the screen
Move the object closer to the light source
There is no shadow formed on the screen. Why?
Tiada bayang-bayang terbentuk pada skrin. Mengapa?
The object is opaque
The object is translucent
The object is transparent
What is the aim/purpose of this investigation?
Apakah tujuan penyiasatan dalam gambar?
To show that light travels in a straight line
To show that light can be seen through the holes
To show that light penetrates a transparent object
To show that light travel in many ways
Antara berikut yang manakah bayang-bayang bagi objek berikut?
Which of the following is the shadow for this object?
Apakah ciri pemantul cahaya yang baik?
What are the characteristic of good heat reflector?
Permukaan rata
Smooth surface
Permukaan kasar
Rough surface
Berkilat
Shiny
Pilih bagi fenomena pembiasan cahaya yang betul
Choose correct phenomenon of refraction of light
Select the diagram that shows the correct direction of light reflection.
Pilih rajah yang menunjukkan arah pantulan cahaya yang betul.
What are the properties of the material based on the image?
Apakah sifat bahan berdasarkan gambar?
Gelap
Lutcahaya
Lutsinar
Legap
What is the property of light based on the diagram?
Apakah sifat cahaya berdasarkan rajah?
Light travels in a straight line
light can be refracted
Light can be reflected
What phenomena can be attributed to the properties of light based on the diagram?
Apakah fenomena yang boleh dikaitkan dengan sifat cahaya berdasarkan rajah?
Formation of a rainbow
Moon eclipse
Rain during the day
1. Light has .......... characteristics
1
2
3
2. Light from a spot light on a stage i an example of
light can be refracted
light can be reflected
light travels in a straight line
3.This experiment shows
light travels in a straight line
light can be refracted
light can be rflected
4.It allows all the light to pass through it. This object refer to
opaque object
transparent object
translucent object
5. If the distance between the light source
and the object is shorter, the size of the shadow becomes .............
smaller
larger
the same size
6. If the distance between the light source
and the object is longer( further), he size of the shadow becomes
smaller
larger
no changes
7.From the diagram, the orientation of the object changes the
shape of the objects
size of object
8.Side mirror of a car allow us to see objects that are blocked from our view. This is an application of
light can be refracted
light travels in a straight line
light can be reflected
9. This object is use in a submarine to see the object at the surface of the sea . It is called
kaleidoscope
microscope
periscope
10 . Why the pencil look bent?
light from the spoon in the water is refracted when the light travels from water to air
ight from the spoon in the water is reflected when the light travels from water to air
ight from the spoon in the water is travels in a straight line when the light travels from water to air
what would happen if the Cardboard C is pushed a little to the left....?
The light can be observed
The light can't be observed
The properties of light travel in straight line
The light properties travel in curved line
Light can't be seen from cardboard C because.......
The light disappears and bouncing upwards.
The light blocking by the cardboard C a little to the left.
Page 90 textbook Science Year 4 about the clarity of objects.
The object shown has a clarity
Transparent
Translucent
Opaque
Page 90 Science Year 4 about the Clarity of objects.
The object shown has a clarity
Opaque
Translucent
Transperant
Page 90 Science Year 4 about clarity of object.
The object shown has a clarity ________ ?
Opaque
Transparent
Translucent
Light can't be pass through opaque object.
Light can be reflected.
Light travel in straight line.
Light is form or energy that moves fast.
Fish (dots) the real position of fish.
Fish (brown color) the apparent position of fish.
Fish (dots) the apparent position of fish.
Fish (brown color) the real position of fish.
Refraction is defined as......
It is bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another.
The light will reflect at the same angle as it hit the surface.
Reflection
Refraction
Reflection is defined as.....
It is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another.
The light will reflect at the same angle as it hit the surface.
The coloured rays of the rainbow are caused by the
Reflection
Refraction
The phenomenon of object shadows formed on the surface of water is caused by
Refraction
Reflection
The conclusion of the situation is
Reflection of light is the process in which light bounces back on striking the surface,
Refraction of light is the process in which light changes its direction as it passes from one medium to another medium.
The conclusion of the AURORAL COLOR is
Reflection of light is the process in which light bounces back on striking the surface.
Refraction of light is the process in which light changes its direction as it passes from one medium to another medium.
How does the light travels?
in parallel
in a straight line
on its own orbit
on its own path
What is the meaning of transparent?
Allows all the light to pass through
Allows some light to pass through
Does not allow any light to pass through
What is the meaning of opaque?
Allows all the light to pass through
Allows some light to pass through
Does not allow any light to pass through
What is the type of this object?
opaque
transparent
translucent
What is the type of these objects?
opaque
transparent
translucent
What is the type of this object?
opaque
transparent
translucent
What is the clarity of the shadows formed on this plastic book cover?
Clear
Less clear
No shadow
What is the clarity of shadow formed on a coloured plastic bag?
Clear
Less clear
No shadow
What is the clarity of the shadow formed on a book?
Clear
Less clear
No shadow
What will happen if one of the cardboard is shifted slightly to the right?
The torch can be seen
The torch cannot be seen
