Explain the change in state of matter with an example.

Important Questions on States of Matter

MEDIUM

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - States of Matter>Assessment Zone>Q 2

Why are solids hard to touch?

HARD

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - States of Matter>Assessment Zone>Q 3

State the difference between the three states of matter. Draw diagrams to show the arrangement of molecules in each.

HARD

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - States of Matter>Assessment Zone>Q 4

Why do liquids do not have a fixed shape?

HARD

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - States of Matter>Assessment Zone>Q 5

State the differences between physical and chemical changes. Give examples.

HARD

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - States of Matter>Assessment Zone>F

The pictures below show physical and chemical changes. Identify the changes and write the type of change in the table given.

Picture	Physical/Chemical

EASY

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - States of Matter>HOTS and PSA Zone>1

Rahul got his house painted. The painters asked for some turpentine oil to wipe the paint off their hands. Rahul gave them water to clean their hands. The painters said that they need only turpentine oil or kerosene oil. Why do you think painters did not use water? Why did they want turpentine oil to clean their hands?

MEDIUM

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - States of Matter>HOTS and PSA Zone>2

Imagine if all gases were immiscible in water. How would it impact aquatic life?