- BBC Bitesize A good trusted site but you need to do active revision for anything to actually be learnt, reading web pages unfortunately will not do it. Download the items below for tasks and use the links to help you find information you cannot recall.
- Revision link 1 < A wealth of information and questions
- CLICK HERE>For past papers and mark schemes Make sure you select the correct course. Gateway Science Suite - Science B. Doing past papers is very good revision, do as many as you can and download the mark schemes to check you answers afterwards.
- Do the on-line activities,ONLINE ACTIVITIES these are quite good as the tasks are active and have quite challenging questions. If you have any problems logging in speak to Mr Burroughs. There are log in instructions as an item below. Click 'practice' a the top of the page
- Print out and complete the revision aid - This will help you summarise the unit
- Print out the other questions available as items below
- Complete the question loop in under 3 minutes
- Use the power point to identify an area you are weakest at and then find past paper questions on this area using the OCR website
- Potential 6 mark questions. Make sure you have at least 5 relevant points for each question. You must also structure an answer with a concluding sentence or an opinion at the end.
- Describe the role of transformers in the national grid and explain why they are used.
- Explain the different stages in the life cycle of a sun sized star
- Describe how the life cycle of a star changes depending on the mass of the star
- Evaluate the merits of using nuclear fission to generate electricity
- Describe global warming and suggest how the effects can be reduced
- Ideas about the solar system and the universe are always evolving, with reference to two historical scientists describe how and why our ideas of the solar system changed.
- There is more than one theory to the formation of the solar system, explain the evidence used by scientists to support the big bang theory for the formation of the universe.
- Describe how a photocell works and evaluate it's use as a potential replacement for fossil fuels
- Explain what is meant by ionising radiation and describe the differences between alpha beta and gamma radiation.
- Near Earth Objects pose a threat to our planet, explain the evidence for a large asteroid impact on earth, the consequences of an impact and evaluate what is being done to protect us.
Watts to Kilowatts = DIVIDE BY 1000 (a thousand, not one hundred!)
Kilowatts to watts = MULTIPLY BY 1000