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Worksheetsmid year science year 4
Total questions: 40
Worksheet time: 35mins
Light travels in ________ lines.
space
directions
bounces
straight
A dark area of surface created by an object blocking light.
shadow
opaque
transparent
reflect
A form of energy we can see.
heat
electricity
light
sound
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
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
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
What are the properties of the material based on the image?
Apakah sifat bahan berdasarkan gambar?
Gelap
Lutcahaya
Lutsinar
Legap
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
Choose the wrong statement.
During the growth of plant,
the number of leaves increase
the stem becomes thinner
the root becomes longer
What is the main function of the roots
To store water and food
To provide support and keep it stable
To absorb water and minerals in the soil
To stop soil erosion
How do plants respond to gravity?
The roots and stem both
grow downward.
The roots and stem both
grow upward.
The roots grow downward and
the stem grows upward.
The roots grow upward and the
stem grows downward.
What type of stimuli that cause the following response in this plant?
light
gravity
touch
water
What is the breathing organ of animal in the picture?
Gills
Lungs
Moist skin
Spiracle
Why grasshopper can stay alive after it head is put into water?
because it has power
because it can breathe through lungs
because it can breathe through moist skin
because spiracle is located at the abdomen
What is the breathing organ of animal in the picture?
Gills
Lungs
Spiracle
Moist skin
Which animal breathe through lungs?
Dragonfly
Jellyfish
Turtle
Crab
An animals with backbone is known as vertebrates.
True
False
Choose the invertebrates animals (more than 1 answer)
The tiger is vertebrates. It lives on land and give birth.It breathe using lungs. It also can be classify as ________
Fish
Reptiles
Mammals
Amphibians
What is sound?
Sound is produced by vibrations
Sound is produced by songs
Sound is produced by humans
Sound is produced by machines
When the flute is blown, the air inside the flute vibrates. It is called..
Plucking
Bowing
Blowing
Clapping
Why Ilhan, Qaid and Atiqah can hear the sound of the bell ringing from an ice cream seller even though they are at different positions?
Because the sound of the bell is too loud.
Because they are too near to the ice cream seller.
Because they can smell the ice creams.
Because the sound travels in all directions.
Iris and her family just moved into a new house. As she speaks in the empty room, she hears her own voice again. Why?
Because of the echo.
Because of the ultrasonic sound
Because she speaks too loud
Because she is using the sonar technology.
Useful effects of sound..
Allow us to communicate
Indicates emergency alert.
Can cause hearing problems
Cause disturbance and stress
Airport ground staffs use ____________ to prevent ear damage from excessive aircraft noise.
ear plugs
ear protectors
a head scarf
a helmet
Hakim loves to listen to music. However, he is disturbed by the loud music coming from his neighbour's house.
Tick to explain the effects of the sound above
Sound helps to communicate
Sound is entertaining
Sound provides alertness
Sound causes disturbance
The properties of sound are...
Sound can be absorbed.
Sound can be reflected.
Sound travels in a straight line.
Sound travels in all directions.
Name the organs involved during breathing
Nose, Heart and lungs
Nose , Trachea and Lungs
Lungs and Kidney
Choose the correct passage air during exhale.
Lungs - Trachea - Nose
Nose - Trachea - Lungs
Lungs - Nose - Trachea
Choose the correct condition of the chest during inhalation
Chest moves upwards
Chest moves downwards
Chest moves upwards and downwards
Which activity is high rate of breathing?
Choose 3 situation which will give bad effect on human breathing.
What are the products of photosynthesis?
water and carbon dioxide
oxygen and glucose
oxygen and carbon dioxide
oxygen and water
Photosynthesis is important to human and animals because
provide food
provide oxygen for breathing
maintance the balance of gas composition in the air
provide water
provide chlorophyll
Why do plants need sunlight for photosynthesis?
The light creates heat needed for photosynthesis to occur
The light provides the energy needed to power photosynthesis
Plants can't absorb carbon dioxide in darkness
Plants can't absorb water in darkness
Animals need to breathe in order to live. There are 4 type of breathing organs of animals. Choose the correct answers.
heart
lungs
spiracles
moist skin
gills
Choose animals that breathe using spiracles
