| How can we test for carbon dioxide gas? |
| What is the word equation for anaerobic respiration in humans? |
| Write a word equation for the reaction of sodium with water. |
| What is the difference between sexual and asexual reproduction? |
| Describe the process of photosynthesis. Use a word equation to help. |
| Microorganisms are an important part of an ecosystem because they are decomposers. What does this mean? |
| Bacteria are prokaryotes. Draw and label a diagram to show the main features of a bacterial cell. |
| Describe three ways in which we could use less fossil fuels and explain why it is important that we use less fossil fuels. |
