Science · Foundation

Active learning ideas

Material Science and Engineering

Active learning helps young students connect abstract material properties to their senses and experiences. Testing real objects makes abstract ideas like flexibility and absorbency concrete and memorable for Foundation students.

• ACARA Content Descriptions
• AC9S8U04
• AC9S9U04
• AC9SFI05

• 30–45 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Plan-Do-Review
• 40 min · Small Groups

Sensory Stations: Property Tests

Prepare stations for hardness (gentle tapping), flexibility (bending), absorbency (water drops), and texture (rubbing). Students visit each, draw or describe results on simple charts. Groups share one key finding per station.

Explain the process of selecting appropriate materials for a specific engineering challenge.

Facilitation Tip

During Sensory Stations, provide exactly one material per station so students focus on testing one property at a time without distractions.

What to look for

Provide students with a collection of 3-4 common materials (e.g., fabric scrap, paper towel, plastic wrap, foil). Ask them to sort the materials into two groups: 'absorbent' and 'not absorbent'. Observe their sorting and ask one student to explain why they placed a specific item in a group.

• Remember
• Apply
• Analyze
• Self-Management
• Decision-Making
• Self-Awareness

Activity 02

• Plan-Do-Review
• 30 min · Pairs

Material Match: Purpose Sort

Display objects and picture cards showing uses like building or carrying water. Pairs sort materials to match purposes and explain choices. Discuss as a class why some fit better.

Analyze how the properties of a material can be modified to suit a particular purpose.

Facilitation Tip

In Material Match, ask students to explain their sorting to a partner using the words 'absorbent,' 'strong,' or 'waterproof' to deepen their reasoning.

What to look for

Present students with a picture of a playground slide. Ask: 'What material do you think the slide is made of? Why do you think that material was chosen? What properties does it have that make it good for a slide?' Listen for student ideas about smoothness, durability, and temperature.

• Remember
• Apply
• Analyze
• Self-Management
• Decision-Making
• Self-Awareness

Activity 03

• Plan-Do-Review
• 45 min · Small Groups

Build Challenge: Strong Boats

Provide straws, foil, corks, and tape. Groups design boats that float and hold weight. Test in water tray, then improve based on results. Record what worked.

Evaluate the trade-offs involved in choosing materials for sustainable design.

Facilitation Tip

For the Build Challenge, limit the materials to two types so students concentrate on comparing specific properties like flexibility and buoyancy.

What to look for

Give each student a small card. Ask them to draw one object and the material it is made from. Below their drawing, they should write one word describing a property of that material. For example, a drawing of a rubber ball with the word 'bouncy'.

• Remember
• Apply
• Analyze
• Self-Management
• Decision-Making
• Self-Awareness

Activity 04

• Plan-Do-Review
• 35 min · Pairs

Reuse Hunt: New Designs

Search classroom for recyclables like boxes and bottles. Individually or in pairs, choose items by properties to make a simple model, like a house. Share designs.

Explain the process of selecting appropriate materials for a specific engineering challenge.

Facilitation Tip

In Reuse Hunt, require students to name both the original and new purpose of each material to make their thinking visible.

What to look for

Provide students with a collection of 3-4 common materials (e.g., fabric scrap, paper towel, plastic wrap, foil). Ask them to sort the materials into two groups: 'absorbent' and 'not absorbent'. Observe their sorting and ask one student to explain why they placed a specific item in a group.

• Remember
• Apply
• Analyze
• Self-Management
• Decision-Making
• Self-Awareness

A few notes on teaching this unit

Teachers should model how to test materials by thinking aloud, like pressing a sponge to see if water soaks in or bending a plastic strip to feel its flexibility. Avoid rushing; give time for students to notice subtle differences in materials. Research shows that guided comparisons and repeated exposure to the same materials improve students' ability to distinguish properties over time.

Successful learning looks like students using sensory tests to describe material properties clearly, matching materials to purposes with evidence, and explaining choices during design challenges. They should show growing confidence in testing and comparing materials.

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Watch Out for These Misconceptions

• During Sensory Stations, watch for students assuming all plastics feel the same and work the same way.

  Provide two types of plastic at one station, like a bendy plastic bag and a rigid plastic cup. Ask students to compare how they stretch, bend, or snap, and record their observations in simple words or drawings.

• During Build Challenge, watch for students assuming shiny or colorful materials are strongest.

  Give each pair a shiny foil strip and a plain wooden stick. Ask them to press down on both to see which holds more weight before bending. Have them compare appearance to strength directly while building.

• During Material Match, watch for students thinking there is one best material for every job.

  Include a soft fabric and a stiff cardboard in the sorting set. Guide students to explain why fabric cushions but cardboard holds shape, showing that materials have different strengths for different tasks.

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Methods used in this brief

• Plan-Do-Review