MEDIUM
Earn 100

Give reason for the following:

Clothes dry faster on a windy day.

Important Questions on Water

EASY
Science>Chemistry>Water>Water Cycle
"Spirit kept in an open watch glass is converted into gaseous state even at room temperature". Explain.
EASY
Science>Chemistry>Water>Water Cycle
 While drinking water from his water bottle, Sameer spilt some water on his uniform. By the time he reached home his uniform was dry. How? 
MEDIUM
Science>Chemistry>Water>Water Cycle
Write two uses of air.
MEDIUM
Science>Chemistry>Water>Water Cycle
_____ things need air to live.
EASY
Science>Chemistry>Water>Water Cycle
We need air to 
EASY
Science>Chemistry>Water>Water Cycle
This is required for burning.
HARD
Science>Chemistry>Water>Water Cycle
How does an aeroplane fly in the sky? Does atmospheric pressure affect the flight of aeroplane?
MEDIUM
Science>Chemistry>Water>Water Cycle
What is the importance of water vapour in the air?
MEDIUM
Science>Chemistry>Water>Water Cycle
Moving air is useful. Mention two ways in which we use it.
MEDIUM
Science>Chemistry>Water>Water Cycle

Why do we need air?

MEDIUM
Science>Chemistry>Water>Water Cycle

Rearrange the letters in the bracket to fill in the blank.

We need air to light a _____(IRFE)

EASY
Science>Chemistry>Water>Water Cycle
_____ causes drying of clothes on a hot and sunny day.  
EASY
Science>Chemistry>Water>Water Cycle
We cannot use wind energy to produce electricity.
MEDIUM
Science>Chemistry>Water>Water Cycle
Why do we have windows in our house? 
EASY
Science>Chemistry>Water>Water Cycle

Describe what is happening in the picture below.

Question Image  

EASY
Science>Chemistry>Water>Water Cycle
Plant and animals need air to
EASY
Science>Chemistry>Water>Water Cycle
Moving air helps
HARD
Science>Chemistry>Water>Water Cycle
Why do wet clothes dry faster on a sunny day?
EASY
Science>Chemistry>Water>Water Cycle
The clouds are largely made up of
MEDIUM
Science>Chemistry>Water>Water Cycle
How do living things use air?