Technologies · Year 2

Active learning ideas

Networks: Sharing Information

Students learn best when they can see how ideas connect to their own lives. Plugging devices into a classroom network or passing messages along a string shows information sharing in action, making an abstract concept feel concrete and relevant.

• ACARA Content Descriptions
• AC9TDI2K01

• 20–35 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Role Play
• 30 min · Small Groups

Role Play: Printer Sharing Network

Assign roles as computers, printer, and network hub. Direct sharing group passes paper 'jobs' one by one; network group sends to hub for batch printing. Switch roles and chart time differences on class poster.

Explain how devices in a classroom can share a single printer.

Facilitation Tip

During the Printer Sharing Network role-play, have students physically stand in lines to represent cables and paths to emphasize how data moves through connections.

What to look for

Present students with images of different classroom items (e.g., a printer, a tablet, a book, a whiteboard). Ask them to circle the items that could be part of a network for sharing information and draw a line connecting two items that might share information.

• Apply
• Analyze
• Evaluate
• Social Awareness
• Self-Awareness

Activity 02

• Inside-Outside Circle
• 25 min · Pairs

String Network: Message Relay

Connect plastic cups with string to mimic network cables between 'devices'. Whisper messages end-to-end and compare clarity to direct shouting. Discuss how networks keep info safe and fast.

Compare sharing information directly versus sharing it through a network.

Facilitation Tip

While doing the String Network message relay, ask students to predict what will happen if the string is slack or the cups are held at odd angles before testing each change.

What to look for

Ask students: 'Imagine you have a drawing you want to show a friend across the room. You could walk it over, or you could send it through the classroom computer network. Which way is faster? Why? What might go wrong if you tried to walk it over?'

• Remember
• Understand
• Apply
• Relationship Skills
• Self-Management

Activity 03

• Inside-Outside Circle
• 20 min · Pairs

Scenario Sort: Direct vs Network

Provide cards with scenarios like sharing a photo or printing homework. Students sort into direct or network piles, then justify choices in pairs. Share and vote as a class.

Predict the challenges of sharing information without any network connections.

Facilitation Tip

For the Scenario Sort activity, provide mismatched scenarios first so students notice why some situations won’t work before sorting them into the correct groups.

What to look for

Give each student a slip of paper. Ask them to write down one way devices in their classroom share information and one reason why sharing information is helpful.

• Remember
• Understand
• Apply
• Relationship Skills
• Self-Management

Activity 04

• Inside-Outside Circle
• 35 min · Individual

Draw Your Classroom Network

Sketch devices like computers and printer connected by lines or waves. Label sharing paths and predict what happens if a connection breaks. Display drawings for class gallery walk.

Explain how devices in a classroom can share a single printer.

Facilitation Tip

Ask students to label the parts of their classroom network drawing with words like 'printer,' 'router,' and 'cables' to make the vocabulary stick.

What to look for

Present students with images of different classroom items (e.g., a printer, a tablet, a book, a whiteboard). Ask them to circle the items that could be part of a network for sharing information and draw a line connecting two items that might share information.

• Remember
• Understand
• Apply
• Relationship Skills
• Self-Management

A few notes on teaching this unit

Start with small, everyday examples students know, like sharing a printer, before moving to bigger ideas. Use analogies carefully—students often confuse the model with the real thing. Keep language simple and repeat key terms like 'connect,' 'share,' and 'path' often so they become part of the classroom vocabulary.

Students will show they understand networks by explaining how devices share information, identifying parts of a classroom network, and comparing direct sharing with network sharing in different situations.

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Watch Out for These Misconceptions

• During the String Network: Message Relay, watch for students who believe messages travel instantly through the string without any physical pull or delay.

  Have students measure the time it takes for a message to travel along the string. Ask them to change the string tension or length and observe how the speed or clarity changes, making the need for a clear path obvious.

• During the Role Play: Printer Sharing Network, watch for students who think any device can print without following rules.

  Give one student the role of 'network manager' who must approve each print job. If a device tries to print without permission or the correct cable, the group should pause and discuss what went wrong.

• During the Scenario Sort: Direct vs Network, watch for students who assume all sharing must use a network.

  Provide scenarios where direct sharing is better, like passing a note across a quiet room. Ask students to explain why walking the note might be faster than waiting for the network in those cases.

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Methods used in this brief

• Role Play
• Inside-Outside Circle