# Microscopes

This lesson looks at how to label and use a microscope and calculate magnification

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Microscopes

Quiz to help you assess what you have learnt in this lesson

Q1.Which of the following is the first stage to using a microscope?

1/5

Q2.Name the part of the microscope which moves the stage up and down.

2/5

Q3.A student looks through an eyepiece which magnifies by 10x and on objective lens 4x. What is the total magnification?

3/5

Q4.What is the purpose of the fine focusing knob?

4/5

Q5.A student looks at a moth under a microscope. The moth is 110 mm and the microscope magnifies the images 10x. What is the image size of the moth under the microscope? HINT: use the image size = actual size x magnification equation.

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Microscopes

Quiz to help you assess what you have learnt in this lesson

Q1.Which of the following is the first stage to using a microscope?

1/5

Q2.Name the part of the microscope which moves the stage up and down.

2/5

Q3.A student looks through an eyepiece which magnifies by 10x and on objective lens 4x. What is the total magnification?

3/5

Q4.What is the purpose of the fine focusing knob?

4/5

Q5.A student looks at a moth under a microscope. The moth is 110 mm and the microscope magnifies the images 10x. What is the image size of the moth under the microscope? HINT: use the image size = actual size x magnification equation.

5/5

# Lesson summary: Microscopes

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## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga