Learning kitGrades 2-3

Computer science: cybersecurity

Stay safe online: layers and messages

Find out how you use technology and what it can do, build layers of security like a castle, bring real-life safety rules online, and send messages across a pretend internet. Ages 7 to 8 or grades 2 to 3, with a grown-up nearby for the first sitting.

Time
About 60 minutes, in two or three short sittings
Steps
5 steps, 1 with a pretend network to try on the page
You need
A computer, Chromebook or tablet. Printing is optional: every step works on screen. No account needed.
Unlock the kit, $5 I have a code

$5 for one learner: every step, the Network Simulator activities that check the work, the printable lesson, and the certificate with a page of the learner's own work.

A browser window showing the page Welcome to isp.com, above the path its message took: your computer, the home router, the internet and the isp.com web server.

The 5 steps

  1. 1Find out how you use technologyRead and quizTechnology is any tool people made to help them. Today we mean the ones with a screen or a chip inside.
  2. 2Discover what your technology can doRead and quizTechnology can do amazing things. It can also see and save more than you might think.
  3. 3Find out how to create layers of securityRead and quizA castle has a wall, a moat, a gate and guards. If one fails, the next one keeps the castle safe. Your devices need layers too.
  4. 4Find out how to use real-life safety rules when you go onlineInvestigateYou already know safety rules for the real world. The same rules work online.
  5. 5Find out how messages travel on the internetTry it hereWhen you open a website, your computer sends little messages across the internet and gets answers back. Watch them travel on this pretend network.

Work on a computer. The apps need a keyboard and a bigger screen than a phone: a laptop, desktop or Chromebook. You can pay here and open the emailed link on the computer.

One learner

Unlock the kit, $5

  • All 5 steps, worked on screen, with a lesson you can print if you like paper
  • Network Simulator activities that check the work as it is done
  • A numbered certificate with a page of the learner's own work: your technology list, your layers and your notes

We email a link that opens the kit on any computer. No account needed. We keep the email only to send the kit and certificate links: privacy.

Have a discount code?
Co-ops and classes: unlock it for a group

One payment and one code. Each learner types the code to unlock the kit on their own computer, and gets their own certificate at the end. Your pack page shows who has started and finished.

See a sample certificate (PDF) · Already paid? Find your link

Questions

What does the learner do in Stay safe online: layers and messages?

It has 5 steps: 1. Find out how you use technology; 2. Discover what your technology can do; 3. Find out how to create layers of security; 4. Find out how to use real-life safety rules when you go online; 5. Find out how messages travel on the internet. Find out how you use technology and what it can do, build layers of security like a castle, bring real-life safety rules online, and send messages across a pretend internet. Ages 7 to 8 or grades 2 to 3, with a grown-up nearby for the first sitting.

What age is it for?

Grades 2-3. About 60 minutes, in two or three short sittings.

What is needed?

A computer, Chromebook or tablet. Printing is optional: every step works on screen. No account needed.

Is there a certificate?

Yes. A numbered certificate with a page of the learner's own work, for your records or a portfolio. It is not course credit.

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