Matters and their properties. Science CBSE, Class 9: lessons, tests, tasks.

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1.	Introduction to matter
2.	Characteristics of particles of matter
3.	States of matter
4.	Solid state and its characteristics
5.	Liquid state and its characteristics
6.	Gaseous state and its characteristics
7.	Transformation of state
8.	Celsius and Kelvin
9.	Effects of pressure on states
10.	Evaporation

1.	States of matter Difficulty: easy	2
2.	Matter and its characteristics Difficulty: easy	2
3.	Characteristics of particles of matter Difficulty: easy	2
4.	Transformation of state Difficulty: easy	2
5.	Interconversion of the three states of matter Difficulty: easy	2
6.	Characteristics of state of matter Difficulty: easy	3
7.	Solid, liquid and gaseous state and its characteristics Difficulty: medium	3
8.	Kelvin scale Difficulty: medium	4
9.	Conversion of the Celsius temperature to Kelvin Difficulty: medium	4
10.	Conversion of the Kelvin temperature to Celsius Difficulty: medium	4
11.	Characteristics and transformation state of matter Difficulty: medium	4
12.	Evaporation Difficulty: medium	2
13.	Conversion of Celsius scale to Kelvin scale Difficulty: medium	4
14.	Change of state of matter Difficulty: hard	4
15.	Boiling point and evaporation Difficulty: hard	5
16.	Different transformation of state of matter Difficulty: hard	6
17.	Different states of matter Difficulty: hard	4

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