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Summary LIFE SCIENCE IEB PRACTICAL NOTES
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Can be used for ALL GRADES! Detailed Notes on how to answer types of questions that can be asked. Super helpful notes!!
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By: mercadesjames • 1 year ago
By: raniahaffejee • 1 year ago
By: rebeccaholloway • 3 year ago
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LIFE SCIENCE IEB PRACTICAL NOTES10 cm 10
mm
1000 1000
um
1000 nm 1000
actual size = A-B(mm) x scale given (mm)
scale line (mm)
actual size = um
actual size = A-B(um)
magnification
actual size = um
magnification = A-B(mm)
actual size (mm)
=X
TIPS
® Read through information sheet given in the reading time
® Take your time, no need to rush
® Read through questions carefully
® DO NOT JUMP QUESTIONS
® For 3 marks given in the beginning
o For reading temperate/making sure things are the same height = go down to eye
level
o Check the diameters of test tube, if not the same, as for a new one
o Label everything asked for clearly
® Table of results
o Do not put units in table, only in your headings
o Heading = “a table showing...”
§ Make sure you have both variables mentioned
o Dependent variable = top
o Independent variable = side
o Double check everything before moving on
® Hypothesis (3 marks)
o Both variables must be mentioned
o Don’t add in “because” = it is just a STATEMENT
® Dependent and independent variables
o Dependent depends on the independent
o Make sure you add lots of detail
o Eg: temp of water in degrees Celsius
® Controlled variables = can be up to 6 marks
o MUST RELATE TO INVESTIGATION
o 1. State what stayed the same
o 2. What it was measured with
o 3. How you kept it the same
o Be VERY specific
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