Biology

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Microscopes, magnification and resolution

Describe the differences between light and electron microscopes. Describe the different features that can be seen in images from light and electron microscopes and relate this to their magnification and resolution.

Unit quizzes are being retired in August 2023

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which piece of equipment would you use to view cells clearly?

1/6

Q2.Which of these is not a sub-cellular structure?

2/6

Q3.What does the word magnify mean?

3/6

Q4.Put these units in order of size, starting with the largest first.
  • millimeter
  • micrometer
  • meter
  • kilometer

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Match each part of the microscope to its function.
  • stage
  • light source
  • lenses
  • shines light through the specimen
  • magnify the specimen
  • holds the slide in place

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

5/6

Q6.What is the correct symbol for a micrometer?

6/6

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which piece of equipment would you use to view cells clearly?

1/6

Q2.Which of these is not a sub-cellular structure?

2/6

Q3.What does the word magnify mean?

3/6

Q4.Put these units in order of size, starting with the largest first.
  • micrometer
  • millimeter
  • kilometer
  • meter

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Match each part of the microscope to its function.
  • stage
  • light source
  • lenses
  • magnify the specimen
  • holds the slide in place
  • shines light through the specimen

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

5/6

Q6.What is the correct symbol for a micrometer?

6/6

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Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Microscopes, magnification and resolution

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.What is the defintion of resolution?

1/6

Q2.Which sub-cellular structure cannot be viewed with a light microscope?

2/6

Q3.Which two statements are correct?

Select two (2) boxes

3/6

Q4.Which statement is correct for light microscopes?

4/6

Q5.Which of these is a feature of using an electron microscope?

5/6

Q6.Which statement is not true for electron microscopes?

6/6

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Microscopes, magnification and resolution

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.What is the defintion of resolution?

1/6

Q2.Which sub-cellular structure cannot be viewed with a light microscope?

2/6

Q3.Which two statements are correct?

Select two (2) boxes

3/6

Q4.Which statement is correct for light microscopes?

4/6

Q5.Which of these is a feature of using an electron microscope?

5/6

Q6.Which statement is not true for electron microscopes?

6/6

Lesson summary: Microscopes, magnification and resolution

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Diffusion and exchange surfaces

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