Science Homework: Year 9 (Mrs Downing)
Carbon reacts with oxygen to form an oxide a) what is the name of the oxide? b) What is reaction like this called? |
How do we test for the presence of water? |
Define the word 'fuel'. |
Explain how you could use a metal to tell the difference between water and dilute acid. |
Describe the process of photosynthesis. Use a word equation to help. |
What is biodiversity and why is it important? |
What is meant by sublimation? |
Some people stick aluminium foil onto the walls behind radiators. Suggest how this helps to keep the house warm. |