Which layer of the soil contains roots of plants and grass in it?
Top soil
Sub soil
Bed rock
Sand
What does 'X' represent?
Dew
Rain
Water vapour
Ice
Clayey soil consist of:
loosely packed small grains.
tightly packed medium sized grains.
very fine grains that stick together.
mixture of sandy soil and gravel.
Madhuri kept some water in a refrigerator and after some time the water changes into ice. What is this process called ?
Condensation
Evaporation
Boiling
Freezing
Our earth is surrounded by a layer of air called:
weather
temperature
atmosphere
rainfall
About 70% of our body contains:
water
air
heart
lungs
Fill a filter funnel with sand and place it in a beaker / measuring cylinder. Pour water into the funnel. What are you most likely to see?
Water sinks quickly into gravel.
Water trickles down to the bottom of the beaker.
Water will not trickle down absorbed by the gravel.
Water will not trickle down the gravel.
If we heat water in a pot on a stove, water changes into water vapour. Now, if we hold a steel plate against the steam, we can see small drops of water on the plate. This formation of small drops of water on the plate is due to:
condensation
evaporation
melting
freezing
The clouds are formed by:
boiling
Which one of the following can be placed in place of 'X' ?
Water
Milk
Carbon dioxide
Shadow