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Science lesson plan · 1st grade (Year 2 in England) · 45 minutes

What plants need to grow

Plants

CCSS NGSS.K-LS1-1CCSS NGSS.2-LS2-1England: KS1 Y2 PlantsEngland: KS2 Y3 Plants

Objective and success criteria

Students will: What plants need to grow.

  • 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: Parts of a plant

Leads to: Seeds, bulbs and germination; Plants make food from air and water; Plant growth experiments: read the results

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

Warm-up · 5 min

  • Quick retrieval from earlier learning (Parts of a plant). Students answer on mini whiteboards.
  • Show answers together and note who needs support in the main task.
  1. Which part holds the plant up and carries water to the leaves? (the roots / the petals / the flower / the stem) → the stemPrompt: It is like a straw and a pole at the same time.
  2. Plant parts: which statement is true? (Leaves take in water from the soil. / Only flowers are part of a plant. / Trees are not plants. / Flowers help plants make seeds.) → Flowers help plants make seeds.Prompt: Picture a plant from its roots to its flower.
  3. Which part of a plant takes in water from the soil? (the leaves / the stem / the flower / the roots) → the rootsPrompt: Which part is under the ground?

Hook · 5 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: What plants need to grow. Read the success criteria together.

I do: model it · 10 min

  • Work through the example out loud, saying why you do each step, not just what you do.
  • Example: Which of these does a plant need to grow well?
  • Step 1: Plants need light, water, air and the right temperature.
  • Step 2: So the answer is: light
  • Answer: light
  • Pause after each step and ask a student to say what comes next.

We do: guided practice · 10 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. A plant is not watered for a long time. What happens? (It wilts (droops) and may die. / It grows taller. / Its leaves turn blue. / It makes more flowers.) → It wilts (droops) and may die.Prompt: Plants need water to stay firm.
  2. What plants need: which statement is true? (Plants never need water. / The more water you give a plant, the better it always grows. / Plants eat soil to get their food. / Plants grow best at a suitable temperature, not too hot or too cold.) → Plants grow best at a suitable temperature, not too hot or too cold.Prompt: Think about what keeps a plant healthy.

You do: independent practice · 10 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 6 questions are on the student sheet below, with answers in the key.

Exit ticket · 5 min

  • Two questions on their own. Sort answers into got it / nearly / not yet to plan the next lesson.
  1. What plants need: which statement is NOT true? (Plants take in minerals (nutrients) from the soil through their roots. / Plants need light to grow well. / Plants need air. / Plants grow best in the dark.) → Plants grow best in the dark.Prompt: One sentence is a common mistake.
  2. What plants need: which statement is true? (Plants grow best in the dark. / Plants eat soil to get their food. / Plants grow best at a suitable temperature, not too hot or too cold. / The more water you give a plant, the better it always grows.) → Plants grow best at a suitable temperature, not too hot or too cold.Prompt: Think about what keeps a plant healthy.

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: Parts of a plant.
  • 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

  • Move on to: Seeds, bulbs and germination; Plants make food from air and water; Plant growth experiments: read the results.
  • 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-1.

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

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What plants need to grow

Name

Date

Score/ 6

  1. Question 1

    What plants need: which statement is NOT true?

    • A. Plants need water.
    • B. Plants grow best in the dark.
    • C. Plants need air.
    • D. Plants take in minerals (nutrients) from the soil through their roots.
  2. Question 2

    A plant is not watered for a long time. What happens?

    • A. It grows taller.
    • B. Its leaves turn blue.
    • C. It wilts (droops) and may die.
    • D. It makes more flowers.
  3. Question 3

    What plants need: which statement is true?

    • A. Plants never need water.
    • B. Plants grow best in the dark.
    • C. Plants eat soil to get their food.
    • D. Plants grow best at a suitable temperature, not too hot or too cold.
  4. Question 4

    A plant on a windowsill bends towards the window. Why?

    • A. It wants to look outside.
    • B. The window is cold.
    • C. It is falling over.
    • D. It grows towards the light.
  5. Question 5

    A plant is left in a dark cupboard for two weeks. What will probably happen?

    • A. Nothing changes.
    • B. It grows greener.
    • C. It grows flowers faster.
    • D. It turns pale and weak.
  6. Question 6

    Which of these does a plant need to grow well?

    • A. sweets
    • B. light
    • C. darkness all day
    • D. loud music

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Answer key: What plants need to grow

  1. 1. B. Plants grow best in the dark.

  2. 2. C. It wilts (droops) and may die.

  3. 3. D. Plants grow best at a suitable temperature, not too hot or too cold.

  4. 4. D. It grows towards the light.

  5. 5. D. It turns pale and weak.

  6. 6. B. light