Lesson 3 Variation Data Analysis

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Lesson 3 Variation Data Analysis

  1. 1. Inherited or Environmental <ul><li>Learning Objectives </li></ul><ul><li>To use data to present your results in a graph. </li></ul><ul><li>To draw conclusions about variation within and between varieties </li></ul>
  2. 2. Task 1: List the differences/similarities between your classmates. And explain your answers <ul><ul><li>Similarities Differences </li></ul></ul>
  3. 3. Task 2 <ul><li>In pairs or threes, measure your height and write it down. </li></ul><ul><li>Collect and record the rest of your class heights. </li></ul><ul><li>Design a table on pupils heights in the class e.g. 151 – 155, 156 – 160, 161 – 162 and draw a tally chart. </li></ul><ul><li>Draw a bar chart of the results. </li></ul>
  4. 4. Tally chart <ul><li>Class heights </li></ul><ul><li>141-145 146-150 151-155 156-160 161-165 166-170 </li></ul>
  5. 5. Bar Chart <ul><li>No ’ of </li></ul><ul><li>pupils </li></ul>141-145 146-150 151-155 156-160 161-165 166-170 6 5 4 3 2 1 0 Height of pupils in 9
  6. 6. Characteristics inherited in plants <ul><li>Investigate variation within the variety . </li></ul><ul><li>Suggest characteristics that vary in apples . </li></ul><ul><li>eg mass, length, diameter . </li></ul><ul><li>Many varieties differ in ways that are not immediately observable within varieties, eg resistance to disease, flavour, ripening time . </li></ul><ul><li>Why these factors might be important in growing ? </li></ul>
  7. 9. Plenary If you were a tomato farmer what characteristics would you look for when buying tomatoes seeds?

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