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SO — SoomaaliEN — English

Continuous and discontinuous variation: practical

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Lesson outcome

Waxaan qeexi karaa oo cabbiri karaa tusaalooyinka kala duwanaanshaha aan joogto ahayn iyo kala duwanaanshaha joogto ah ee sifooyinka.

Introduction

In this lesson: I can describe and measure examples of discontinuous and continuous variation in features. Some features have discontinuous variation (limited variations falling into particular categories). Some features have continuous variation (can take any value within a range).

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Some features have discontinuous variation (limited variations falling into particular categories). Some features have continuous variation (can take any value within a range). Examples of features in humans, other animals and plants that show discontinuous and continuous variation. Collecting primary data on examples of discontinuous and continuous variation in features.

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Quizzes

  1. 1. When measuring the circumference of an apple, which piece of equipment would give the most accurate measurement?

    • Correct answer:a measuring tape and a tape measure sitting on a table top next to each other on a wooden surfacefabric tape measure
    • a white plastic ruler with a black line on the bottom of the ruler is measuring the length of the rulerruler
    • a tape measure with a yellow handle on a white background with a blue handle on the end of the tapemetal tape measure

  2. 2. What is meant by "variation"?

    • Correct answer:differences between organisms of the same species
    • similarities between organisms of the same species
    • reproduction between organisms of the same species

  3. 3. When measuring the mass of an apple, which piece of equipment should be used?

    • Correct answer:a clock with the time on it and the time on the clock is 8 00 pm and the time on the clock is 8 00 pmbalance
    • a bathroom scale with a digital clock on the front of it and a timer on the side of the scaleweighing scales
    • a magnifying glass with a black handle and a gray handle on the side of the magnifying glassmagnifying glass
    • a picture of a window with a grid on the outside of it and a window pane on the inside of itquadrat

  4. 4. A disorder such as cystic fibrosis is a form of variation that is a caused by ...

    • Correct answer:genetic factors.
    • environmental factors.
    • lifestyle choices.

  1. 1. Which of the following is an example of discontinuous variation?

    • Correct answer:earlobe attachment
    • satsuma circumference
    • length of leaf
    • body mass

  2. 2. Which table uses tally marks to record data on the heights of students?

    • a table with a number of students in each of the rows of the rows, and the number of students in each rowtable 1
    • Correct answer:a table that shows the height of the height of the height of the height of the height of the height of the height of the height of the height of the height of the height of the heighttable 2
    • a table that shows the height and height of the height of the height of the height of the height of the height of the height of the height of the height of thetable 3

  3. 3. Which two of the following are examples of continuous variation?

    • Correct answer:height of a tree
    • Correct answer:length of a neck
    • fur colour
    • ability to roll tongue

  4. 4. Whose explanation of discontinuous variation is correct?

    • Discontinuous variation has a maximum of three categories: X, Y and Z.
    • Discontinuous variation can have lots of in-between values, such as 0.7 and 0.2.
    • Correct answer:Discontinuous variation has specific categories and may not be numerical.

  5. 5. Whose explanation of continuous variation is correct?

    • Continuous variation has an infinite number of individuals.
    • Correct answer:Continuous variation can have lots of in-between values, such as 0.03 and 0.62.
    • Continuous variation has specific categories but is numerical.

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 · 5 questions
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