EASY
5th CBSE
IMPORTANT
Earn 100

Suck water through a straw from a glass filled with water. Put your index finger over the top of the straw. If you lift and tilt the straw, no water will fall. But, as soon as you remove the finger, the water will run out. Now answer the following questions:
Why does the water run out on removing the finger from the top of the straw? 

Important Questions on Air and Water

EASY
5th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 5.>Chapter 9 - Air and Water>Objective Type Questions>Q 1

Give one word for the following with the help of clue.

Clue: The word starts with the letter 'P '.

Water fit for drinking.

EASY
5th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 5.>Chapter 9 - Air and Water>Objective Type Questions>Q 1
Name the simplest, cheapest and safest way of purifying water. (the word starts with B)
EASY
5th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 5.>Chapter 9 - Air and Water>Objective Type Questions>Q 3

Choose the right word and fill in the blank provided below.

[impurities / vapours / disinfectants]

Substances that pollute water are called _____. 

EASY
5th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 5.>Chapter 9 - Air and Water>Multiple Choice Questions (MCQs)>Q 6
Which gas is required by plants for photosynthesis?
EASY
5th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 5.>Chapter 9 - Air and Water>Questions based on Higher Order Thinking Skills (HOTS)>Q 10
Suck water through a straw from a glass filled with water. Put your index finger over the top of the straw. If you lift and tilt the straw, no water will fall. But, as soon as you remove the finger, the water will run out. Now answer the following questions:
List two ways when you can make use of air pressure in your daily life.