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Science lesson plan · 3rd grade (Year 4 in England) · 60 minutes

Life cycle of a flowering plant

Plants

CCSS NGSS.3-LS1-1England: KS2 Y3 Plants

Objective and success criteria

Students will: Life cycle of a flowering plant.

  • I can answer questions on today's skill on my own, without help.
  • I can explain each step and say why it works.
  • I can check my answer and spot a mistake.

Before and after

Needs first: Seeds, bulbs and germination

Leads to: the next skill in this area.

Materials: Real plants or seeds, Hand lenses, Mini whiteboards, A diagram or short video clip of the idea, Printed student sheet (below).

Warm-up · 6 min

  • Quick retrieval from earlier learning (Seeds, bulbs and germination). Students answer on mini whiteboards.
  • Show answers together and note who needs support in the main task.
  1. Is this a seed or a bulb: garlic? (seed / bulb) → bulbPrompt: Seeds are usually small and hard. Bulbs are rounder, with papery layers.
  2. Cress seeds are put on damp cotton wool with no soil. What happens? (They still germinate. / They melt. / Nothing, seeds need soil. / They turn into bulbs.) → They still germinate.Prompt: What do seeds really need to start growing?
  3. Which of these is a seed? (onion / apple pip / tulip / daffodil) → apple pipPrompt: Seeds come from inside fruits and pods. Bulbs are round and have papery layers.

Hook · 6 min

  • Bring in a plant that has been kept in the dark next to one in the light, and ask what happened.
  • Share the objective: Life cycle of a flowering plant. Read the success criteria together.

I do: model it · 12 min

  • Work through the example out loud, saying why you do each step, not just what you do.
  • Example: In the life cycle of a bean plant, what comes straight after "plant with flowers"?
  • Step 1: bean seed → root and shoot appear → seedling → plant with flowers → pods with new beans
  • Step 2: So the answer is: pods with new beans
  • Answer: pods with new beans
  • Pause after each step and ask a student to say what comes next.

We do: guided practice · 12 min

  • Do these together. Students try each step on whiteboards before you reveal it.
  • Use the hints as prompts rather than giving the answer.
  1. In the life cycle of an apple tree, what comes straight after "pollination"? (seedling / apples with pips / young tree / apple pip) → apples with pipsPrompt: Picture the plant growing bigger, then making seeds.
  2. After pollination, which part of the flower becomes the fruit? (the stem / the petals / the roots / the ovary) → the ovaryPrompt: It is the part that holds the ovules, which become seeds.

You do: independent practice · 17 min

  • Students work on the student sheet. Circulate and check the first two answers of every student early.
  • Students who finish: write a question of their own for a partner, with the answer.

The 8 questions are on the student sheet below, with answers in the key.

Exit ticket · 7 min

  • Two questions on their own. Sort answers into got it / nearly / not yet to plan the next lesson.
  1. After pollination, which part of the flower becomes the fruit? (the stem / the petals / the roots / the ovary) → the ovaryPrompt: It is the part that holds the ovules, which become seeds.
  2. In the life cycle of a flowering plant, what comes straight after "seed"? (pollination / seedling / adult plant / germination) → germinationPrompt: The cycle starts and ends with seeds.

Watch out for

  • Everyday meanings of words getting in the way of the science meaning: define key words explicitly.
  • Remembering facts without the reason: ask "why?" and "what is the evidence?"

Support and stretch

Support

  • Review first: Seeds, bulbs and germination.
  • Use concrete materials: real plants or seeds.
  • Give the first step of each question, or a partly worked example to finish.
  • Pair with a confident partner for the guided practice.

Stretch

  • Explain a common mistake in writing and how to fix it.
  • Write a word problem that uses today's skill, then solve a partner's.

Homework and more practice

Free online practice with hints and printable worksheets for this skill: eurekami.com/science/grade-3.

Free lesson plan from eurekami.com/lesson-plan-builder

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Life cycle of a flowering plant

Name

Date

Score/ 8

  1. Question 1

    What is the young plant that grows from a seed called?

    • A. a seedling
    • B. a petal
    • C. a fruit
    • D. a bulb
  2. Question 2

    In the life cycle of a sunflower, what comes straight after "young plant"?

    • A. seedling
    • B. new seeds
    • C. seed
    • D. flowering plant
  3. Question 3

    After pollination, which part of the flower becomes the fruit?

    • A. the petals
    • B. the stem
    • C. the ovary
    • D. the roots
  4. Question 4

    In the life cycle of a flowering plant, what comes straight after "flowering"?

    • A. seed
    • B. adult plant
    • C. seedling
    • D. pollination
  5. Question 5

    Why is it useful for seeds to be spread far from the parent plant?

    • A. So the parent plant can eat them
    • B. So new plants do not compete with the parent for light, water and space
    • C. So they stay in the shade
    • D. Because seeds dislike their parents
  6. Question 6

    Why do flowering plants need flowers?

    • A. to take in water
    • B. to hold the plant up
    • C. to make the soil
    • D. to make seeds
  7. Question 7

    In the life cycle of an apple tree, what comes straight after "apple pip"?

    • A. young tree
    • B. seedling
    • C. apples with pips
    • D. pollination
  8. Question 8

    In the life cycle of an apple tree, what comes straight after "young tree"?

    • A. pollination
    • B. apple pip
    • C. tree in blossom
    • D. apples with pips

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Answer key: Life cycle of a flowering plant

  1. 1. A. a seedling

  2. 2. D. flowering plant

  3. 3. C. the ovary

  4. 4. D. pollination

  5. 5. B. So new plants do not compete with the parent for light, water and space

  6. 6. D. to make seeds

  7. 7. B. seedling

  8. 8. C. tree in blossom