Name of the student: _______________________________________________________________
Practical: Particle nature of matter
Worksheet 2
Objective:
 To observe given sample and decide whether each is in the solid, liquid or gas state
 To use the ideas about particles and explain the behaviour of substances in the
solids, liquids and gas states
Instructions:
 Look carefully at a sample. If you wish, tip the container. Do not open the syringe.
 Decide whether the sample is a solid, liquid or gas
 You may press the plungers of the syringes (use caution) very gently
Questions: 1. Complete the below table to describe your observations
Sample number
and name
Is it solid, liquid or gas?
Why you made this decision
(Write the properties of the sample)
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Name of the student: _______________________________________________________________
2. Choose one sample. Use ideas of particles and draw a diagram inside syringe
3. Compress each of the syringes gently. Describe your observation and use ideas of
particles and draw the diagram inside the syringe when a sample is compressed
Sample name and number: ____________________________
Sample name and number: ____________________________
Sample name and number: ____________________________
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