WorksheetsChapter 9 - Weather and Water Quiz
Total questions: 20
Worksheet time: 14mins
The Earth rotates on its _________. This _________ causes day and night. The _____ of the Earth is tilted.
Earth, rotation, axis
Sun, Moon, Axis
How many factors are there for affecting the Rate of Evaporation?
2
1
8
4
10
Name anyone factor of affecting the Rate of Evaporation.
(a)
What is Condensation?
(a)
What is Dew?
At night, when it is cold, things like grass and leaves also become cold. So, water vapour present in air condenses on them in the form of tiny water droplets. We call them dew.
When the water becomes too much for the clouds to hold, it falls to the ground as dew.
The water vapour present in air to freeze and deposit itself on grass or leaves in the form of white powdery mass is called dew.
During the day, The land gets _______ quickly. It ____ up the air above it. As ___ air is lighter, it rises up. The water in the sea does not get _________. So, the air above is _________. The cool air from the sea rushes to occupy the space of the _____ air. So, a cool breeze blows towards the land from the sea during the day. This is called _________________.
heated, heats, hot air, heated, is cool, warm, sea breeze
cooled, cools, cool air, cooled, is warm, cool, sea breeze
How many methods are there to purify water?
3
5
10
1,00,000
Which are the best methods to purify water?
Boiling, Filtration, Chlorination
Sedimentation, Decantation, Filtration
Polluting, Dirty Water
When the water becomes too much for the clouds to hold, it falls to the ground as ____.
Dew
Rain
Frost
Mist and Fog
What are impurities?
The germs present in water.
Clean and Pure Water.
What is Underground Water?
When it rains, some of the water seeps into the ground. This water passes through the soil and through the porous rock below it. It collects over rock that does not allow it to seep through any further is called underground water.
The level of underground water in a place is called Underground Water.
How many factors are there for affecting the Rate of Evaporation?
2
1
8
4
10
What is Water Table?
(a)
Replacement of warm air with cool air causes air to become ___________.
Heavy
Light
State True or False
The process of change of water into water vapour is called Precipitation.
True
False
What is Earth made of?
Land and Water
Sun, Moon and Stars
Which activity in the reader shows 'That hot air is lighter than cool air'?
Activity 9.1
Activity 9.3
Activity 9.2
What is Water Table?
(a)
Define Decantation
(a)
Define Filtration
(a)
