exam tech
for science (triple) geography maths re
- Created by: 10carterj
- Created on: 12-06-14 18:12
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- exam tech
- science
- physics
- 4 marks
- usually require you to apply knowledge of the equations
- 4 marks
- chemistry
- 2marks
- point and a fact,
- for example, the graph shows an increase in crude oil use, it goes from 2 to 5
- point and a fact,
- 1 mark
- short answer, usually just a name or point
- for example, the most abundant gas in the atmosphere. a: nitrogen
- short answer, usually just a name or point
- 3 marks
- two points and a few facts
- describe the reaction of sodium with chlorine, there is two sodium molecules and one covanlently bonded chlorine molecules. this makes two sodium chloride molecules, it is an ionic bond
- two points and a few facts
- 4/5/6 marks
- justification and explaining 5/6 markers need to be evaluated
- explain in detail the positives and negatives of replacing petrol with ethanol
- should be structured well
- advantages petrol releases more energy then ethanol. ethanol is easier to produce.
- negatives petrol releases harmful gases like co2. ethanol releases little energy per litre
- conclusion we should continue to use petrol as it is better at releasing power
- should be justified
- should be structured well
- explain in detail the positives and negatives of replacing petrol with ethanol
- justification and explaining 5/6 markers need to be evaluated
- 2marks
- biology
- physics
- re
- maths
- geography
- science
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