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      How and why we group plants

      Lesson details

      Learning outcome

      I can explain how plants can be grouped using observable characteristics.

      Key learning points

      1. Scientists group plants to make it easier to identify, name and learn about them.
      2. Plants can be divided into groups or 'classified' by looking at the similarities and differences between them.
      3. Generally, plant life can be broken up into flowering plants and non-flowering plants.
      4. Plants can be grouped according to if they do or do not produce seeds.
      5. We can create classification keys by asking a series of yes/no questions about the observable characteristics of plants.

      Keywords

      • Classify - To classify things is to sort them into groups.

      • Flowering - Flowering plants reproduce by making seeds inside flowers.

      • Non-flowering - Non-flowering plants reproduce by making spores.

      • Seeds - Some plants reproduce by making seeds.

      • Spores - Some plants reproduce by making spores.

      Common misconception

      Pupils may think that all plants are green or that anything without a flower is not a plant.

      Highlight the many examples of plants with different shapes, sizes and colours that are included in the lesson resources, reminding children that all of these are plants because they are living things that use the Sun’s light to make food.

      Teacher tip

      There is likely to be enough biodiversity in the school grounds for children to complete Practice Task B without leaving the site. Make sure to do a quick check of the environment to check there are enough different types of plants to complete the activity before taking children out.

      Equipment

      Clipboards

      Content guidance

      Exploration of objects

      Supervision

      Adult supervision recommended

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Match the part of the plant to its purpose.

      Correct Answer:roots,anchor the plant and take in water

      anchor the plant and take in water

      Correct Answer:stem,supports other parts of the plant and transports water and nutrients

      supports other parts of the plant and transports water and nutrients

      Correct Answer:leaves,where the plant makes its food

      where the plant makes its food

      Correct Answer:flower,contains the reproductive parts of the plant

      contains the reproductive parts of the plant

      Q2.
      In which part of the plant are seeds made?

      roots
      stem
      leaves
      Correct answer: flower

      Q3.
      When plants or animals make more of themselves it is called .

      Correct Answer: reproduction, reproducing, reproduce

      Q4.
      What do scientists use to classify living things into groups?

      Correct answer: their observable characteristics
      their names
      the date they were discovered

      Q5.
      Which of these is not an observable characteristic of this plant?

      An image in a quiz
      the number of petals on the flowers
      the colour of the flowers
      the shape of the leaves
      Correct answer: the name of the plant

      Q6.
      Which of these can all living things do?

      Correct answer: reproduce
      talk
      walk
      Correct answer: sense the world around them
      Correct answer: move

      6 Questions

      Q1.
      Plants can be divided into groups by looking at similarities and between them.

      Correct Answer: differences, difference, different

      Q2.
      Scientists group and classify plants to make it easier to them.

      count
      Correct answer: identify
      observe
      investigate

      Q3.
      We can create keys by asking a series of yes/no questions about the observable characteristics of plants.

      Correct Answer: classification

      Q4.
      Which of these are not groups we can classify plants into?

      flowering or non-flowering
      Correct answer: vertebrate or invertebrate
      reproduces with seeds or with spores

      Q5.
      Match the plant to the way it reproduces.

      Correct Answer:pine tree (conifer),seeds made in cones

      seeds made in cones

      Correct Answer:peat moss,spores

      spores

      Correct Answer:sunflower,seeds made in flowers

      seeds made in flowers

      Q6.
      Which of these plants reproduce with spores?

      Correct answer: bracken
      rose
      spruce
      Correct answer: pincushion moss

      To help you plan your 6 science lesson on: How and why we group plants, download all teaching resources for free and adapt to suit your pupils' needs...