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WorksheetsSCIENCE YEAR 4
Total questions: 28
Worksheet time: 7hrs 0mins
How does the light travels?
Bagaimanakah cahaya bergerak?
in parallel
in a straight line
on its own orbit
on its own path
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
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
How does the light travels?
in parallel
in a straight line
on its own orbit
on its own path
This situation shows that
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 travels in a straight line?
What is the factor that affects the clarity of a shadow?
Type of the light source
Size of light source
Size of screen
Type of material of the object
In an experiment, the shadow was formed but not so clear. Which type of object do you think was used in this experiment?
Coloured paper
Manila card
Wooden block
A transparent plastic
What conclusion can be made from this investigation?
Light travels in parallel
Light travels in straight line
Light cannot pass through and opaque object
Light cannot bend
How to increase the size of the shadow on the screen?
Move the light source farther from the object
Move the object closer to the screen
Change the type of object used
Move the object closer to the light source
There is no shadow formed on the screen. Why?
The object is opaque
The light source is too dim
The object is transparent
The object is translucent
There are two factors that affect the size of shadow. What are the factors? Tick the correct answers.
Size of the screen
Distance of object from the screen
Distance of object from the light source
Size of the light source
A shadow is created when...
an object blocks the light
an object lets light pass through
an object is above light
an object reflected the light
If you can see light through an object it is called...
opaque
plastic
transparent
translucent
Which will make the darkest shadow? Light shining on a...
sheet of thin tissue paper
glass window
wooden chopping board
none of the above
The nearer the object to the light source, _____________________________
the bigger the shadow will be
the smaller the shadow will be
the longer the shadow will be
the shorter the shadow will be
The further the object from the light source, __________________
the bigger the shadow will be
the smaller the shadow will be
the longer the shadow will be
the shorter the shadow will be
The nearer the object to the screen, __________________
the bigger the shadow will be
the smaller the shadow will be
the longer the shadow will be
the shorter the shadow will be
