This is a revision powerpoint I used to revise for my GCSE exams. Filled with content from the specification, exam tips, questions, quizzes, animations, useful links, diagrams,resources and everything in between in order for you to pass your exams!
Also includes information for the required pract...
,1.1 The world of
the microscope
• Units
• 1m= 1000 micrometres
• 1 micrometre – 1000 nanometres
• so 1 nanometre = 1 X 10(9)
• When converting into a larger
value divide and a smaller value X
,Quick test
• 1 km = ? m
• 1000
• 1mm = ? Um
• 1000
• 1m = ? Um
• 1000000
• 1Um = ? Nm
• 1000 Extension: write this in standard form
, THE LIGHT MICROSCOPE
Can be used almost anywhere
Were developed in the mid-17th century Use beam of light to form an image of
an object
Relatively cheap
They can magnify live specimens
Best can magnify up to X2000
Resolution= 200nm (how detailed the
picture is)
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