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Subjects
Science CBSE
Class 7 New
Changes around us: Physical and Chemical
Pumpa Practice Questions
Practice Questions
1.
Observe the change
Difficulty: easy
2
2.
Changes around us
Difficulty: easy
2
3.
Sort the change
Difficulty: medium
3
4.
Finding the odd one out
Difficulty: medium
1
5.
What is a change?
Difficulty: medium
4
6.
Ice cubes to water
Difficulty: hard
4
7.
Difference between change in size and change in shape
Difficulty: hard
5
8.
Physical Changes around us
Difficulty: easy
2
9.
Analysing the physical changes
Difficulty: medium
2
10.
Sorting the physical changes
Difficulty: medium
1
11.
Properties of physical changes
Difficulty: medium
5
12.
Identify whether the given change is physical or not
Difficulty: hard
5
13.
Physical change- Boiling water
Difficulty: hard
5
14.
MCQ - Chemical changes
Difficulty: easy
2
15.
Examples of chemical changes
Difficulty: easy
2
16.
Sorting the example for chemical change
Difficulty: medium
1
17.
Aspects of chemical changes
Difficulty: medium
2
18.
Difference between physical and chemical change
Difficulty: medium
4
19.
Rusting and combustion
Difficulty: easy
2
20.
Identifying combustible substances
Difficulty: medium
1
21.
Combustion
Difficulty: medium
3
22.
Fire triangle
Difficulty: medium
4
23.
Combustion and rusting
Difficulty: medium
5
24.
Ignition temperature
Difficulty: medium
3
25.
Reversible and irreversible changes
Difficulty: easy
2
26.
Identify reversible and irreversible change
Difficulty: medium
3
27.
Reversible and irreversible changes
Difficulty: medium
2
28.
Heating and changes
Difficulty: medium
4
29.
Examples of changes
Difficulty: medium
2
30.
Differentiate between reversible and irreversible changes
Difficulty: medium
3
31.
Weathering of rocks and erosion
Difficulty: easy
2
32.
Difference between weathering and eroson
Difficulty: medium
3
33.
Desirable and undesirable change
Difficulty: easy
2
34.
A&R - Desirable and undesirable changes
Difficulty: medium
2
35.
Classification of physical and chemical changes
Difficulty: medium
2
36.
CBQ - Burning of candle
Difficulty: hard
4
Teacher manual
1.
Methodical recommendation
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