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WorksheetsGrade 8 Quiz Competition
Total questions: 15
Worksheet time: 16mins
The pressure of the water at the bottom of the pond is _______ at the surface of the pond.
Higher than
Lower than
Same
Either lower or higher
I can make a separate layer on water. You use me for making paper translucent. Who am I?
Lemon Juice
Honey
Mustard oil
Sugar solution
A photographer wishes to take pictures without being noticed. He sets up two plane mirrors together with his camera. Which arrangement of mirrors will allow the photographer to take pictures of someone behind the camera?
What travels faster, light from the sun or heat from the sun?
Heat
Light
Both Heat and Light reach at the same time
Can't say
A body is said to be under balanced forces when the resultant force applied on that body is_____
Zero
Infinite
One
None of these
Sunitha can type 1800 words in half an hour. What is her typing speed in words per minute?
60
600
50
3000
In the given figure, which blood vessels represent pulmonary vein, pulmonary artery and vena cava respectively?
P, Q and R
Q, P and R
P, Q and S
Q, P and T
Which part of the leaf controls the rate of loss of water to the air?
Midrib
Stomata
Vascular bundles
Veins
Why can't we see anything in a dark room?
Everything is black in colour.
Our eyes do not work in darkness.
No light reaches our eyes.
All the light gets scattered.
Woollen clothes are preferred to be worn on which of the following days?
Hot day
Rainy day
Cold day
Sunny day
Root hairs are most important to plant because they
Anchor a plant to the soil
Provide a habitat for Nitrogen fixing bacteria
Increase the surface area for absorption
Contain xylem tissue
During the formation of rain, what happens when water vapor changes to rain drops?
Heat is absorbed.
Heat is released.
Heat is first absorbed and then released.
There is no exchange of heat
What happens when an acid is slowly added to water?
It releases heat.
It absorbs heat.
There is no heat change.
It undergoes neutralization.
The bulb in the circuit given here does not glow. Which labelled part is responsible for this?
P and S
P only
R only
S only
The shipping industry has to bear huge financial loss because of rusting of ships. The rusting of ships occur because:
the body of ship is always in contact with water.
the air around the ship is humid.
presence of salts in sea water speed up the process of rusting.
All of the above
