Class activity: Object Swap (Inventions & Everyday Objects)
Inventions and everyday objects
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🔄 OBJECT SWAP: Inventions & Everyday Objects
A B1 speaking game: ask and answer questions with 'is made of' and 'is used for'.
1. Rules of the Game
Classroom Instructions
- Divide the class into pairs (Student A & Student B) and hand out respective sheets.
- Instruct students strictly not to look at each other's sheets under any circumstances.
- Run the timed interaction and monitor accurate pronunciation and passive voice structures.
- Appoint one student per pair as scorekeeper to track grammar and vocabulary bonus points.
- Direct students to the Teacher Key at the bottom for final verification and review.
Game Rules & Objective
- Sit facing your partner directly and keep your worksheet completely hidden from view.
- Take turns asking passive questions to discover missing materials and functions.
- Answer your partner clearly using full target sentences with correct prepositions.
- Fill in all blank boxes accurately based on the oral responses your partner provides.
- Earn points for every correct question, answer, and target unit word you produce.
2. Timed Plan (20 Minutes Total)
Step 1: Setup
Hand out sheets & assign roles A and B.
Step 2: Model
Model questions & review sentence starters.
Step 3: Interaction
Pair work Object Swap interaction & scoring.
Step 4: Check
Check completed tables with the whole class.
Step 5: Wrap-up
Closing questions & final points tally.
3. Sheet A (Student A)
Ask your partner questions to fill in the missing boxes. Do NOT show your sheet!
| Object | Made of | Used for |
|---|---|---|
| Card 1A toothbrush | plastic |
❓
____ (___)
|
| Card 2A mirror | glass |
❓
____ (___)
|
| Card 3A key | metal |
❓
____ (___)
|
| Card 4A scarf | wool |
❓
____ (___)
|
| Card 5A pencil |
❓
____ (___)
|
writing |
| Card 6A umbrella |
❓
____ (___)
|
staying dry in the rain |
| Card 7A scissors |
❓
____ (___)
|
cutting paper |
| Card 8A window |
❓
____ (___)
|
letting in light |
4. Sheet B (Student B)
Ask your partner questions to fill in the missing boxes. Do NOT show your sheet!
| Object | Made of | Used for |
|---|---|---|
| Card 1B toothbrush |
❓
____ (___)
|
cleaning your teeth |
| Card 2B mirror |
❓
____ (___)
|
looking at yourself |
| Card 3B key |
❓
____ (___)
|
opening a door |
| Card 4B scarf |
❓
____ (___)
|
keeping your neck warm |
| Card 5B pencil | wood |
❓
____ (___)
|
| Card 6B umbrella | cloth and metal |
❓
____ (___)
|
| Card 7B scissors | metal and plastic |
❓
____ (___)
|
| Card 8B window | glass |
❓
____ (___)
|
5. Scoring System
Correct Question
Forming a grammatically accurate passive question.
Correct Answer
Responding with a complete passive sentence & correct preposition.
Unit Word Bonus
Using vocabulary: material, metal, device, tool, produce.
Speed Champions
First pair to complete their full table with 100% accuracy.
6. Sentence Starters
Ask Material
"What is a [object] made of?"
e.g. What is a key made of?
Answer Material
"It is made of [material]..."
e.g. It is made of rubber.
Ask Purpose
"What is this tool/device used for?"
e.g. What is this device used for?
Answer Purpose
"It is used for [verb-ing]..."
e.g. It is used for carrying water.
Origin / Creator
"This [object] was designed to..."
e.g. This key was designed to open a door.
Modern Future
"A [object] can be replaced by..."
e.g. A paper map can be replaced by a phone.
7. Teacher Key & Common Errors
Object Swap (20 minutes)
Sheet A:
Card 1A: toothbrush | plastic | ___
Card 2A: mirror | glass | ___
Card 3A: key | metal | ___
Card 4A: scarf | wool | ___
Card 5A: pencil | ___ | writing
Card 6A: umbrella | ___ | staying dry in the rain
Card 7A: scissors | ___ | cutting paper
Card 8A: window | ___ | letting in light
Sheet B:
Card 1B: toothbrush | ___ | cleaning your teeth
Card 2B: mirror | ___ | looking at yourself
Card 3B: key | ___ | opening a door
Card 4B: scarf | ___ | keeping your neck warm
Card 5B: pencil | wood | ___
Card 6B: umbrella | cloth and metal | ___
Card 7B: scissors | metal and plastic | ___
Card 8B: window | glass | ___
✅ Complete Reference Table (8 Objects)
| Object | Made of | Used for |
|---|---|---|
| 🦷 toothbrush | plastic | cleaning your teeth |
| 👀 mirror | glass | looking at yourself |
| 🔑 key | metal | opening a door |
| 🧣 scarf | wool | keeping your neck warm |
| ✏️ pencil | wood | writing |
| ☂️ umbrella | cloth and metal | staying dry in the rain |
| ✂️ scissors | metal and plastic | cutting paper |
| 🌞 window | glass | letting in light |
⚠️ Mistakes to Listen For & Correct
Correction: Past participle required ➔ "It is made of plastic."
Correction: Missing passive suffix ➔ "What is a key used for?"
Correction: Confusing used for + -ing with used to + infinitive ➔ "used for cutting".
Correction: Missing auxiliary verb 'is' ➔ "It is made of wood."
8. Activity Variations
Vocabulary Scaffold
Pre-teach all vocabulary on the board with sample cue cards and grammar patterns visible.
Standard Challenge
Standard mode with hidden sheets, strict passive voice rules, and peer scorekeeping.
Design Justification
Students must explain WHY the object was designed with that material (e.g., "Glass is used because it lets in light").
Fast Finishers
Invent a 9th everyday object or futuristic device using at least 3 Unit words (invent, material, device).
9. Closing Discussion Questions
Which object has the most interesting material or design?
Think about how combining materials (like cloth and metal in umbrellas) solves a practical problem.
Can any of these everyday objects be replaced by a digital device today?
Discuss smart locks replacing metal keys, phone cameras replacing mirrors, or digital stylus pens.
Which object on the sheets could you not live without, and why?
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