LIFE SCIENCE IEB PRACTICAL NOTES
10 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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller universitylearner. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $2.77. You're not tied to anything after your purchase.