Pumpa Practice Questions. Science CBSE, Class 7 New: lessons, tests, tasks.

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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

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