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Observing cells with a light microscope

Lesson 6 / 7

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Lesson outcome

Waxaan awoodi karaa inaan isticmaalo mikroskoob iftiin leh si aan u fiiriyo unugyada.

Introduction

In this lesson: I can use a light microscope to observe cells. All organisms are made up of living building blocks called cells. Cells are usually too small to see with the unaided eye.

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All organisms are made up of living building blocks called cells. Cells are usually too small to see with the unaided eye. The cells that make up tissue on a slide can be observed using a light microscope. Changing the magnification and focus of a light microscope enables cell structures to be observed.

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Quizzes

  1. 1. Which of the listed words is a a scientific term for looking at a living organism?

    • investigate
    • watch
    • Correct answer:observe
    • view
  2. 2. Choose the correct name for this piece of apparatus

    • microscope
    • teloscope
    • Correct answer:magnifying glass
  3. 3. What could you do to this image of a bee to make it easier to see the detail?

    • make it lighter
    • Correct answer:make it bigger
    • make it smaller
    • make it darker
  4. 4. A light source is important for humans to see objects in detail. Choose the image that was taken with more light available.

    • a group of purple flowers sitting on top of a green leafy plant in a dark room with a black background
    • Correct answer:pink and white flowers in a field of purple and white flowers in a field of purple and white flowers
  1. 1. Which image has a higher magnification?

    • a close up of a green substance in a circular picture with a white background and a circular picture with a green substance in the middle of the image
    • Correct answer:a close up of a plant cell 
Bazania truncatula, microscopic, cell picture
  2. 2. What can we do to improve how clear a microscopic image is?

    • Change the size of the objective lens.
    • Turn up the brightness of the light.
    • Correct answer:Turn the focusing wheel.

What pupils see

The same lesson as a pupil sees it. You can set any section as work on its own.

  • IntroductionPrepare
  • Starter quizActivate · 4 questions
  • Lesson videoLearn
  • Exit quizCheck · 2 questions
This content is by Cashar and published under an open licence.