2.3.11 Worksheet Quick starter; May be combined Use the particle model The differences in Explaining arrangements, in motion and to explain density 2.3.11; Slideshow: What is with lesson 2.3.12 density of solids in closeness of particles differences between density?; Interactive Technician’s and liquids explaining changes of state, solids and liquids notes 2.3.11 activity: Drag the shape and density, the Use the particle model items to the correct anomaly of ice–water transition to explain anomalies group density less – between ice and water Similarities and differences, or greater than including density water? differences, between solids, liquids and gases 2.3.12 Worksheet Quick starter; Use the particle model The differences in Explaining the arrangements, in motion and to explain differences in 2.3.12a; Interactive activity: density of gases in closeness of particles the density of gases Worksheet Place the gases in explaining changes of state, Evaluate a method of 2.3.12b; Practical order, from highest shape and density, the measuring density sheet 2.3.12; to lowest density at anomaly of ice–water transition standard room Technician’s Similarities and differences, notes 2.3.12 temperature; Video including density differences, between solids, liquids and gases 2.3.13 The properties of different Worksheet Quick starter; Describe what is meant Explaining states of matter (solid, 2.3.13; Practical Slideshow: Working by concentration and concentration and pressure. liquid and gas) in terms of sheet 2.3.13; out concentration: A pressure Use the particle model the particle model, fizzy drink example Technician’s to explain differences in including gas pressure notes 2.3.13 concentration and pressure
2.3.11 Explaining density of solids and liquids The differences in arrangements, in motion and in closeness of particles explaining changes of state, shape and density, the anomaly of ice–water transition Similarities and differences, including density differences, between solids, liquids and gases Use the particle model to explain density differences between solids and liquids Use the particle model to explain anomalies between ice and water Worksheet 2.3.11; Technician’s notes 2.3.11 Quick starter; Slideshow: What is density?; Interactive activity: Drag the items to the correct group – density less or greater than water? May be combined with lesson 2.3.12 2.3.12 Explaining the density of gases The differences in arrangements, in motion and in closeness of particles explaining changes of state, shape and density, the anomaly of ice–water transition Similarities and differences, including density differences, between solids, liquids and gases Use the particle model to explain differences in the density of gases Evaluate a method of measuring density Worksheet 2.3.12a; Worksheet 2.3.12b; Practical sheet 2.3.12; Technician’s notes 2.3.12 Quick starter; Interactive activity: Place the gases in order, from highest to lowest density at standard room temperature; Video 2.3.13 Explaining concentration and pressure The properties of different states of matter (solid, liquid and gas) in terms of the particle model, including gas pressure Describe what is meant by concentration and pressure. Use the particle model to explain differences in concentration and pressure Worksheet 2.3.13; Practical sheet 2.3.13; Technician’s notes 2.3.13 Quick starter; Slideshow: Working out concentration: A fizzy drink example