Answer the question based on the following figureSea breeze blows during:
Evenings
Day time
Night time
Both day and night
Which one of the following does NOT disturb the balance of gases in the air?
Cutting down trees and forests
Releasing polluting gases in to the air
Growing more and more trees
Releasing more smoke from the vehicles
Settling of heavy impurities at the bottom of a vessel is called
filtration
condensation
sedimentation
boiling
The weather forecast in a week has been summarised as below. Answer the question based on the chart:Which day has the highest temperature?
Sunday
Thursday
Saturday
Monday
The north and south poles experience six months days and six months night. This is because of earth's
shape
tilt
rotation
revolution
Evaporation increases with
increase in the amount of water
decrease in the temperature
decrease in the area of exposure
increase in the area of exposure
Process of changing water vapour into water is called
decantation
When kerosene is poured in water, Which one of the following will happen?
Water will float on the kerosene
Kerosene will float on the water
Kerosene and water will dissolve in each other
Kerosene and water will get separated on different sides
Jasmine conducted an experiment. She took two bowls of sand and water and placed them in sunlight. After an hour she noted the temperatures. Then she took them both into her house and placed them where there is no light. She noted the temperature again after one hour and made the following table. Answer the question based on the given data.Which of the two substances- sand or water, gets heated up quickly?
Sand
Water
Both get heated up at the same rate
Cannot be determined from the above data
Study the table given below and answer the question
Which of the following substances form clear solutions in water?
Sand and Sugar
Sugar and Kerosene
Oxygen and Sand
Oxygen and Sugar