Science · Grade 1

Active learning ideas

Creative Reuse Challenge

Active learning works for this topic because Grade 1 students need concrete, hands-on experiences to connect materials science with real-world problem solving. When children manipulate physical objects and test their own creations, they build spatial reasoning and persistence, both critical for early engineering thinking.

• Ontario Curriculum Expectations
• K-2-ETS1-3

• 20–45 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Hundred Languages
• 45 min · Small Groups

Small Groups: Need-Based Build-Off

Distribute recyclables in bins and need cards (e.g., 'bookend' or 'toy ramp'). Groups brainstorm designs for 5 minutes, build for 20 minutes, then test and tweak for stability. Record what worked and why on group charts.

Construct a new object using only recycled materials.

Facilitation Tip

During the Small Groups Build-Off, circulate with questions like 'What will your object hold?' to help students define purpose before building.

What to look for

Students present their reused object to a small group. Each presenter asks their peers: 'What is one thing you like about my object?' and 'What is one way I could make it work even better?' Peers respond using sentence starters provided by the teacher.

• Understand
• Apply
• Create
• Self-Awareness
• Self-Management
• Social Awareness

Activity 02

• Hundred Languages
• 30 min · Pairs

Pairs: Functionality Test Swap

Pairs complete individual builds, then swap objects to test under use (e.g., load with books). Discuss pros, cons, and one improvement idea using sentence stems. Return and revise based on feedback.

Critique the functionality and creativity of a reused object.

Facilitation Tip

For the Pairs Functionality Test Swap, provide clear criteria for testing, such as 'Does it stay upright for 30 seconds?' to keep trials consistent.

What to look for

On a small card, students draw a simple picture of their reused object and write one sentence explaining what it is used for. They also write one word describing why repurposing is a good idea.

• Understand
• Apply
• Create
• Self-Awareness
• Self-Management
• Social Awareness

Activity 03

• Hundred Languages
• 25 min · Whole Class

Whole Class: Innovation Showcase

Display all projects around the room. Students gallery walk, vote with stickers for most creative and useful, then share top picks in a circle. Teacher guides talk on repurposing advantages.

Evaluate the benefits of repurposing materials instead of buying new ones.

Facilitation Tip

In the Whole Class Innovation Showcase, assign roles like 'materials manager' or 'tester' so every student is actively involved.

What to look for

During the construction phase, the teacher circulates and asks students: 'What material are you using here and why?' and 'What problem is your object trying to solve?' Teacher notes student responses on a checklist.

• Understand
• Apply
• Create
• Self-Awareness
• Self-Management
• Social Awareness

Activity 04

• Hundred Languages
• 20 min · Individual

Individual: Material Match-Up

Students sort recyclables by properties (strong, bendy, waterproof) on trays. Sketch three ways to combine them for a useful object, noting predicted strengths. Share one idea with a partner.

Construct a new object using only recycled materials.

Facilitation Tip

For the Individual Material Match-Up, have students sort scraps by properties like 'flexible' or 'stiff' to build foundational vocabulary.

What to look for

Students present their reused object to a small group. Each presenter asks their peers: 'What is one thing you like about my object?' and 'What is one way I could make it work even better?' Peers respond using sentence starters provided by the teacher.

• Understand
• Apply
• Create
• Self-Awareness
• Self-Management
• Social Awareness

A few notes on teaching this unit

Approach this topic by balancing open exploration with scaffolded structure. Research shows that explicit problem framing at the start prevents aimless building, while iterative testing helps students revise ideas. Avoid over-directing, as students learn most when they troubleshoot their own designs. Use peer feedback loops to reinforce the idea that engineering is about improvement, not perfection.

Successful learning looks like students identifying a clear problem, selecting appropriate materials, testing prototypes, and explaining how their object meets the need. They should use vocabulary about material properties and show pride in redesigning after failures.

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Watch Out for These Misconceptions

• During the Small Groups Build-Off, watch for students who quickly assemble objects without identifying a purpose. Redirect them by asking, 'What will your object hold or move?' and have them sketch a quick plan before gathering materials.

  During the Functionality Test Swap, students may assume all materials are equally suitable for every task. Ask them to test different joins between materials and compare results, pointing out how tape adds rigidity to cardboard.

• During the Whole Class Innovation Showcase, listen for students who describe their objects as 'just art.' Redirect them by asking, 'What problem did this solve in our classroom?' and have them explain the practical use.

  During the Individual Material Match-Up, students might think recycling is only about creativity. Have them tally how many items they repurposed versus discarded, then discuss the environmental impact as a class.

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Methods used in this brief

• Hundred Languages