Microscopes

Label and use a microscope and calculate magnification.

Microscopes

Label and use a microscope and calculate magnification.

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Lesson details

Key learning points

  1. Label a microscope
  2. Describe how to use a microscope to view a slide
  3. Calculate the magnification of a microscope

Equipment

Calculator

Licence

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6 Questions

Q1.
When an object is magnified, it looks ...
Correct answer: bigger
smaller
the same
Q2.
Which sense organ is used to see objects?
ear
Correct answer: eye
nose
skin
Q3.
Starting with the smallest, sort the items into size order.
1 - nucleus
2 - blood cell
3 - tadpole
4 - oak tree
Q4.
Which two of the following objects would you need to magnify to see in detail?
Correct answer: ant
car
coin
Correct answer: eyelash
Q5.
Which piece of equipment is used by scientists to see very small objects in more detail?
Correct answer: microscope
periscope
stethoscope
telescope
Q6.
Which two of the following objects would you need to use a microscope to see?
a house
a rock
Correct answer: bacteria
Correct answer: the lens in a fly's eye

6 Questions

Q1.
A is an image produced using a microscope.
Correct Answer: micrograph
Q2.
Match the parts of a microscope to their function.
Correct Answer:coarse focus,to make the image clearer

to make the image clearer

Correct Answer:stage clips,to hold the slide in place

to hold the slide in place

Correct Answer:objective lenses,to magnify the image

to magnify the image

Correct Answer:light source,to direct light through the specimen

to direct light through the specimen

Q3.
A is found underneath a microscope stage.
Correct Answer: light source, light, mirror
Q4.
To view a specimen using a microscope, a is placed on the stage.
Correct Answer: slide, microscope slide, glass slide
Q5.
What is the total magnification power of a microscope that has a ×10 eyepiece lens and a ×40 objective lens?
×4
Correct answer: ×400
×50
Q6.
How is the total magnification of a microscope calculated?
objective lens magnification - eyepiece magnification
objective lens magnification + eyepiece magnification
objective lens magnification ÷ eyepiece magnification
Correct answer: objective lens magnification × eyepiece magnification

Lesson appears in

UnitScience / Cells

Science