| Unit 7 |
| Experiment 7.1 Testing for oxygen and carbon dioxide |  | | |
| Experiment 7.2 Testing for water and water vapour | | | |
 Experiment 7.3 Testing for starch in green leaves | | | |
| Experiment 7.4 Testing for oxygen produced by photosynthesis | | | |
| Experiment 7.5 Investigating the factors necessary for photosynthesis | | | |
| Experiment 7.6 Heating a small amount of water by burning food | | | |
| Experiment 7.7 Gas exchange in plants | | | |
| Experiment 7.8 Observing stomata under a microscope | | | |
| Experiment 7.9 Comparing the oxygen and carbon dioxide contents of inhaled air and
exhaled air | | | |
| Experiment 7.10 Comparing the water vapour content of inhaled air and exhaled air | | | |
| Experiment 7.11 Comparing the temperature of inhaled air and exhaled air | | | |
| Experiment 7.12 Studying the gas exchange in mealworms | | | |
| Experiment 7.13 Observing the structure of pig's lungs | | | |
| Experiment 7.14 Observing how smoking affects the pig's lungs | | | |
| Unit 8 |
| Experiment 8.1 Finding the conditions needed for electricity to flow | | | |
| Experiment 8.2 Which objects allow electricity to flow? | | | |
| Experiment 8.3 Studying how a switch works | | | |
| Experiment 8.4 Setting up circuits based on circuit diagrams | | | |
| Experiment 8.5 Using an ammeter to measure an electric current | | | |
| Experiment 8.6 Observing the heating effect of electric current | | | |
| Experiment 8.7 Observing the magnetic effect of electric current | | | |
| Experiment 8.8 Using a voltmeter to measure voltages of electric cells | | | |
| Experiment 8.9 Finding out how voltage affects the current in a circuit | | | |
| Experiment 8.10 Do different electrical conductors conduct electricity equally well? | | | |
| Experiment 8.11 Studying the effect of resistance on the current in a circuit | | | |
| Experiment 8.12 Finding out the factors that affect the resistance of a conducting wire | | | |
| Experiment 8.13 Studying how a rheostat works | | | |
| Experiment 8.14 Studying the difference between series and parallel circuits | | | |
| Experiment 8.15 Studying the currents and voltages in a series circuit | | | |
| Experiment 8.16 Studying the currents and voltages in a parallel circuit | | | |
| Experiment 8.17 Observing the force on a current-carrying copper rod | | | |
| Experiment 8.18 Studying a three-pin plug and wiring the plug | | | |
| Experiment 8.19 Should electrical appliances be connected in parallel or in series? | | | |
| Experiment 8.20 Studying the effect of added devices when connected in parallel | | | |
| Experiment 8.21 What is a short circuit? | | | |
| Experiment 8.22 Using a fuse to protect a circuit | | | |
| Experiment 8.23 Finding the cost of electricity used by an electric kettle to boil water | | | |