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Measure tiny things in mm, µm and nm

8th grade (Year 9 in England) · 11 questions · Common Core: NGSS.MS-LS1-1, NGSS.SEP 5 · England: GCSE Combined Science: Cell biology (orders of magnitude)

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  1. Question 1

    A bacterium is 2 µm long. What is this in nanometres (nm)? (1 µm = 1000 nm)

    Answernm

  2. Question 2

    A cell is 0.15 mm long. How long is it in micrometres (µm)? (1 mm = 1000 µm)

    Answerµm

  3. Question 3

    A bacterium is 1.5 µm long. What is this in nanometres (nm)? (1 µm = 1000 nm)

    Answernm

  4. Question 4

    A structure is 25 µm wide. How wide is it in millimetres (mm)? (1 mm = 1000 µm)

    Answermm

  5. Question 5

    A virus particle is 300 nm across. What is this in micrometres (µm)? (1 µm = 1000 nm)

    Answerµm

  6. Question 6

    A cell is 0.05 mm long. How long is it in micrometres (µm)? (1 mm = 1000 µm)

    Answerµm

  7. Question 7

    A virus particle is 50 nm across. What is this in micrometres (µm)? (1 µm = 1000 nm)

    Answerµm

  8. Question 8

    A cell is 0.02 mm long. How long is it in micrometres (µm)? (1 mm = 1000 µm)

    Answerµm

  9. Question 9

    A virus particle is 300 nm across. What is this in micrometres (µm)? (1 µm = 1000 nm)

    Answerµm

  10. Question 10

    A structure is 100 µm wide. How wide is it in millimetres (mm)? (1 mm = 1000 µm)

    Answermm

  11. Question 11

    A virus particle is 300 nm across. What is this in micrometres (µm)? (1 µm = 1000 nm)

    Answerµm

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Answer key: Measure tiny things in mm, µm and nm

  1. 1. 2000 nm

  2. 2. 150 µm

  3. 3. 1500 nm

  4. 4. 0.025 mm

  5. 5. 0.3 µm

  6. 6. 50 µm

  7. 7. 0.05 µm

  8. 8. 20 µm

  9. 9. 0.3 µm

  10. 10. 0.1 mm

  11. 11. 0.3 µm