The fine droplets observed on the leaves of plants and grass on a winter morning are
snow
hailstones
fog
dew drops
The weather forecast in a week has been summarised as below. Answer the question based on the chart:Which day shows the maximum change in temperature?
Tuesday
Wednesday
Sunday
Friday
The north and south poles experience six months days and six months night. This is because of earth's
shape
tilt
rotation
revolution
By seeing such a photograph of India in newspaper and TV, we can predict dangers like cyclones and heavy rainfall. These photographs are taken by
aeroplanes
helicopters
parachutes
artificial satellites
Which of the following statements is true about the shadows formed by sun in different times in a day?
Sun's forms longer shadows at noon and shorter shadows in the morning and evening
Sun's rays fall straight in the morning and fall with an increasing slant as the day progresses to the evening
Sun's rays form shorter at noon and longer shadows in the morning and evening
The area of shadow formed at noon is greater than the area of the shadow formed in the morning and evening
Water droplets that can be seen on grass in winter mornings is because of
the secretion of water from the leaves
condensation of water particles in the air
excessive absorption of water from the soil
rains that take place every night
The weather forecast in a week has been summarised as below. Answer the question based on the chart:A school wants to arrange a picnic for its students. What is the best day for that?
Monday
Thursday
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
When Suresh blown air in to a balloon it expanded. This shows that
air has no mass
air has volume and occupies space
air has no weight
air is invisible
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