Using the particle model – 1

Write your observations in the table.

Draw particle pictures to show what is happening inside the materials.

Experiment Observations Particle pictures

1 Iodine crystal in water

2 Dust from a board rubber

3 Syringes with sand and air

4 Cooked meat

Using the particle model – 2

Experiment Observations Particle pictures

5 Black ink in water

6 Ball and ring

7 Melting ice cube

8 Copper sulphate dissolving in hot and cold water

9 Floating and sinking