Microscopes
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How many metres are in a kilometre?
1000 metres
How many centimetres are in a metre?
100cm
How many millimetres are in a centimetre?
10mm
How many micrometres are in a millimetre?
1000
How many micrometres are in a millimetre?
1000 μm
How many nanometres are in a micrometre?
1000 nm
How much larger does the eyepiece lens normally make the image?
Normally makes the image 10x larger.
What does the arm do?
Holds the eyepiece lens above the stage
What does the coarse focus do?
Used to get the slide into focus to see the image clearly.
What does the fine focus do?
Used to focus so the image is sharp and clear
What does the light source do?
Projects light onto the microscope slide
What does the stage do?
It’s where you put the microscope slide
What do the objective lenses do?
These lenses of different strengths to look at the slide in more detail.
What is magnification?
How much bigger the image is compared to the original object
What is resolution?
The ability to distinguish between two separate points, this gives a clear and detailed image.
What does an SEM do?
Scanning Electron Microscope Scans the surface of the specimen Higher magnification and resolution than light microscopes.
What is a TEM?
Transmission Electron Microscope Goes inside cells
How do you calculate the total magnification of a microscope?
Objective lens X eyepiece lens