Choosing Materials

Lesson Details

• Subject: Science
• Year Group: Year 2
• Duration: 60 minutes
• Class Size: 30 students
• National Curriculum Area: Uses of Everyday Materials (Key Stage 1 Science)
• Learning Objective:
  • Identify and compare the suitability of different everyday materials for particular uses.
  • Understand why certain materials are used for specific purposes.

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Lesson Breakdown

Starter Activity (10 minutes) – Materials Mystery Bag

Objective: Engage students by making them curious about different materials.

• Prepare a 'Mystery Materials Bag', containing objects made from materials such as metal, plastic, glass, wood, and fabric.
• Invite volunteers to reach into the bag without looking and describe the texture and feel of their object.
• Ask the class to guess:
  • What is it made from?
  • What do we use this material for? Why?
• Link responses to real-life applications (e.g., "Why is a window made of glass and not wood?").

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Main Teaching (15 minutes) – Properties & Suitability Exploration

Objective: Introduce different materials and their properties.

1. Show and Tell:

   • Display a variety of materials (wood, fabric, plastic, glass, metal, rubber).
   • Discuss properties: hard, soft, stretchy, rough, smooth, waterproof, absorbent, transparent.
   • Use real-life examples and question children:
     • "Would you wear a coat made of paper in the rain?"
     • "Why do we use metal for cooking pans?"

2. Group Discussion:

   • Ask small pairs/groups to match materials to possible uses using picture cards (e.g., umbrella – plastic/fabric, window – glass, spoon – metal/wood).

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Activity (20 minutes) – Investigating Suitability

Objective: Help students understand which materials are best suited to specific tasks.

Hands-On Experiment: 'Which is Best?'

• Create four stations with different tests:

  1. Waterproof Test:

  • Provide small objects made from different materials.
  • Students drop water on materials and observe what happens.
  • Record ‘waterproof’ and ‘not waterproof’ results.

  2. Strength Test:

  • Each group tests stretching and bending different materials (fabric, plastic, wood).
  • Discuss: Which materials are the strongest? The weakest?

  3. Transparency Test:

  • Hold up materials (glass, plastic, fabric, metal) to a torch to check transparency.
  • Record 'transparent', 'translucent', or 'opaque'.

  4. Comfort Test:

  • Provide materials for students to feel (wool, metal, plastic).
  • Ask: "Which would be comfortable for a jumper? Why?"

Extension Question:

• If we had to make a spacesuit, which materials might be best? Why?

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Plenary (10 minutes) – 'Material Match-Up' Quiz

Objective: Recap learning through a fun and interactive quiz.

• Display five real-life objects (e.g., raincoat, car window, spoon, chair, balloon).
• Ask students to:
  • Name the material it is made from.
  • Explain why that material is used.
• Use an 'A or B' multiple-choice format for the whole class to answer together with hand signals.

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Differentiation

• Support: Give students pre-prepared picture cues for material properties.
• Challenge: Ask, “Can you think of a material that could do TWO jobs well?”

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Resources

• Mystery Materials Bag
• Various everyday objects (glass jar, metal spoon, wooden ruler, plastic bottle, wool fabric)
• Water dropper & tray
• Torch
• Picture sorting cards for group activity

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Assessment

• Formative: Listen to class discussions and answers in the quiz.
• Summative: Observe group experiment results and explanations.

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Homework (Optional) – Material Hunt

Ask students to go home and find three objects made from different materials.

• Write or draw them in a notebook.
• Label the material and describe why they think it is used.

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Wow Factor for Teachers

• Real-World Thinking: Encouraging children to consider the materials around them, linking science to everyday life!
• Hands-On Investigations: Engaging, simple, and meaningful experiments for deep understanding.
• Cross-Curricular Thinking: Incorporates literacy skills (describing), maths (recording results), and design (thinking creatively about materials).
• Fun & Interactive Quiz: Keeps energy levels up while reinforcing learning.

This will be a memorable and meaningful lesson that engages students with science in a tangible and exciting way! 🚀