Topic 5: Particle model of matter

Act.1 Revise what you know about matter (page 89)

Act. 3 Draw a table comparing the particles of solids, liquids and gases (page 93)

Act. 4 Draw diagrams to represent particles in a solid, liquid and gas (page 93)

Act. 5 Observe solid particles diffusing through water (page 94)

Act. 6 Investigate the rate of diffusion of gas compared to a liquid (page 95)

Act. 7 Investigate a change of state (page 97)

Act. 8 Find objects of the same volume with different mass and compare them (page 99)

Act. 9 Use the particle model of matter to explain the density of states of matter (page 100)

Act. 10 Compare the densities of different materials (page 102)

Act. 11 Mix oil and water to compare densities (page 104)

Act. 13 Use a ball and ring to demonstrate expansion and contraction (page 107)

Act. 14 Draw and explain expansion and contraction (page 109)

Act. 15 Demonstrate what happens when we blow up a balloon (page 111)