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Science lesson plan · 2nd grade (Year 3 in England) · 60 minutes

One material, many objects; one object, many materials

Materials and their properties

CCSS NGSS.2-PS1-1CCSS NGSS.2-PS1-2England: KS1 Y2 Uses of everyday materialsEngland: KS1 Y1 Everyday materials

Objective and success criteria

Students will: One material, many objects; one object, many materials.

  • 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: Tell the object from the material it is made of

Leads to: Build, take apart and rebuild with the same pieces

Materials: A tray of everyday objects, Sorting hoops, Mini whiteboards, A diagram or short video clip of the idea, Printed student sheet (below).

Warm-up · 6 min

  • Quick retrieval from earlier learning (Tell the object from the material it is made of). Students answer on mini whiteboards.
  • Show answers together and note who needs support in the main task.
  1. Is this an object or a material: window? (object / material) → objectPrompt: Ask: is it a thing you use, or the stuff things are made from?
  2. What material is this object usually made from: a window pane? (glass / metal / cardboard / rubber) → glassPrompt: Think about how it feels: hard and see-through, soft and warm, bendy and waterproof…?
  3. Which list has only materials? (glass, wood, metal / table, door, window / wool, sock, hat / cup, glass, chair) → glass, wood, metalPrompt: Materials are what things are made of.

Hook · 6 min

  • Pass round objects made of different materials and ask why each one was chosen.
  • Share the objective: One material, many objects; one object, many materials. 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: Which of these is usually made of wood?
  • Step 1: Wood is strong, can be cut and shaped, and comes from trees.
  • Step 2: So the answer is: a pencil
  • Answer: a pencil
  • 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. Which of these is usually made of metal? (a wooden table / a window / a sock / a key) → a keyPrompt: Think about how each object feels and what it needs to do.
  2. Three of these are usually made of glass. Which one is NOT? (a drinking glass / a jam jar / a bicycle frame / a window) → a bicycle framePrompt: Name the usual material of each object.

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. Spoons can be made of metal, wood or plastic. Why are wooden spoons good for stirring hot soup? (Wood melts in soup and adds flavour. / Wood does not get hot quickly, so the handle stays cool. / Wood is magnetic. / Wood is see-through.) → Wood does not get hot quickly, so the handle stays cool.Prompt: Which spoon would you want to hold in a hot pan?
  2. Which of these is usually made of metal? (a wooden table / a bicycle frame / a curtain / a jam jar) → a bicycle framePrompt: Think about how each object feels and what it needs to do.

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: Tell the object from the material it is made of.
  • Use concrete materials: a tray of everyday objects.
  • 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: Build, take apart and rebuild with the same pieces.
  • 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-2.

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

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One material, many objects; one object, many materials

Name

Date

Score/ 8

  1. Question 1

    Why are cricket and baseball bats often made of wood rather than glass?

    • A. Wood is tough and will not shatter when it hits a ball.
    • B. Wood is see-through.
    • C. Glass is too light.
    • D. Glass is too bendy.

  2. Question 2

    Three of these are usually made of fabric. Which one is NOT?

    • A. a pillowcase
    • B. a bicycle frame
    • C. a curtain
    • D. a T-shirt

  3. Question 3

    Which of these is usually made of wood?

    • A. a jam jar
    • B. a saucepan
    • C. a wooden table
    • D. a window

  4. Question 4

    A chair can be made of wood, metal or plastic. Which property must ALL chair materials have?

    • A. see-through
    • B. strong enough to hold a person
    • C. stretchy
    • D. soft like a pillow

  5. Question 5

    Which of these is usually made of glass?

    • A. a drinking glass
    • B. a pillowcase
    • C. a curtain
    • D. a garden fence

  6. Question 6

    Which of these is usually made of fabric?

    • A. a jam jar
    • B. a curtain
    • C. a saucepan
    • D. a garden fence

  7. Question 7

    Bottles can be glass or plastic. Why might a picnic use plastic bottles?

    • A. Plastic is stronger than metal.
    • B. Plastic is heavier.
    • C. Plastic keeps drinks hot for ever.
    • D. Plastic is lighter and does not shatter if dropped.

  8. Question 8

    Three of these are usually made of glass. Which one is NOT?

    • A. a mirror
    • B. a key
    • C. a drinking glass
    • D. a jam jar

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Answer key: One material, many objects; one object, many materials

  1. 1. A. Wood is tough and will not shatter when it hits a ball.

  2. 2. B. a bicycle frame

  3. 3. C. a wooden table

  4. 4. B. strong enough to hold a person

  5. 5. A. a drinking glass

  6. 6. B. a curtain

  7. 7. D. Plastic is lighter and does not shatter if dropped.

  8. 8. B. a key