Seventh graders learn how the internet moves information — breaking messages into data packets that travel through networks, routers, and servers — demystifying what happens when they send a text or load a page.
Students will be able to…
You send a message and it arrives across the world in a second. But what actually happens in between? How does the internet move your information so fast?
Project this and have students put the steps of how a message travels across the internet in order.
Tap any phase to open the teacher moves and student actions.
A message crosses the world in a second — how?
Students practice.
Students use.
Students modify.
Students conclude.
Aligned to the CSTA K-12 Computer Science Standards and ISTE Standards for Students.
Model how data is sent through networks in packets.
Explain how physical and digital security protect data.
Design projects that use networked devices.
Computational Thinker.
Preview the three formative checks. Tap “Sample answer” to see what mastery looks like — hide them before you print for students.
Have students draw a diagram showing how a text message travels from their phone to a friend’s. A printable internet sheet is in the Computer Science library.
Tap a card to flip it, then rate whether you knew it. Built from this lesson’s vocabulary.
A quick self-check with instant feedback, drawn from this lesson’s key terms.
A print-and-go review sheet with a built-in answer key. Tap “Show answer key” to reveal answers, or print the clean version for students.