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