Our Environment

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Air and its Composition

Subtopic

Air and its Composition under Our Environment for Grade 4 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$Air is important for birds because it helps them to:$
A. $Swim$
B. $Fly$
C. $Eat$
D. $Sleep$
2.
$Which part of our body helps us to breathe in air?$
A. $Stomach$
B. $Heart$
C. $Lungs$
D. $Liver$
3.
$Which gas is used in fire extinguishers to put out fires?$
A. $Oxygen$
B. $Nitrogen$
C. $Carbon dioxide$
D. $Hydrogen$

Download the worksheet for Our Environment - Air and its Composition to practice offline. It includes additional chapter-level practice questions.

Water Cycle

Subtopic

Water Cycle under Our Environment for Grade 4 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$What is 'Sleet'?$
A. $Only snow$
B. $Only rain$
C. $A mixture of rain and snow$
D. $Hot water$
2.
$What is the transition of water from a liquid to a solid called?$
A. $Melting$
B. $Evaporation$
C. $Freezing$
D. $Condensation$
3.
$Which of these states of water can we hold in our hand easily?$
A. $Liquid water$
B. $Ice cube$
C. $Water vapor$
D. $Steam$

Download the worksheet for Our Environment - Water Cycle to practice offline. It includes additional chapter-level practice questions.

Purification of Water

Subtopic

Purification of Water under Our Environment for Grade 4 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$Why do we use a 'UV' lamp in modern water purifiers?$
A. $To make the water look bright$
B. $To kill germs using ultraviolet rays$
C. $To warm up the water for tea$
D. $To filter out the sand$
2.
$Which of these is NOT an impurity in water?$
A. $Dust$
B. $Germs$
C. $Fish$
D. $Mud$
3.
$In large scale purification, what is the first step usually taken?$
A. $Adding sugar$
B. $Boiling the whole lake$
C. $Sedimentation in large tanks$
D. $Freezing the water$

Download the worksheet for Our Environment - Purification of Water to practice offline. It includes additional chapter-level practice questions.

Pollution and Conservation

Subtopic

Pollution and Conservation under Our Environment for Grade 4 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$The wise and careful use of our natural resources to protect them for the future is called:$
A. $Conservation$
B. $Collection$
C. $Construction$
D. $Combination$
2.
$What is the best natural way to increase the amount of oxygen in the air?$
A. $Building more factories$
B. $Using fans$
C. $Planting more trees$
D. $Spraying room fresheners$
3.
$Insects and germs breed very quickly in:$
A. $Clean houses$
B. $Open garbage heaps$
C. $Flowing rivers$
D. $Closed cupboards$

Download the worksheet for Our Environment - Pollution and Conservation to practice offline. It includes additional chapter-level practice questions.

Our Environment - ICSE Class 4 Science Notes & Revision | Krit.club