Opening a Website: teacher key

The Internet, grade 2 edition, written for 2nd grade. The internet is a large group of computers joined together. Find out what happens when you open a website, and how a message gets cut into packets.

Read the book. Print this page for the key.

Questions and answers

1. What does a server do when your device asks for a page?
   • Sends the page back (answer)
   • Cuts it into cables
   • Keeps it a secret
2. What is each small piece of a message called?
   • A cable
   • A packet (answer)
   • A server
3. What does an IP address say?
   • Who wrote the page
   • How big a file is
   • Where a device can be found (answer)
4. Which is a service that runs on the internet?
   • A cable
   • Email (answer)
   • A router
5. Where do almost all the data between countries travel?
   • Through cables on the sea floor (answer)
   • Through the air only
   • On trucks

Words

• server: computer that gives
• packets: small pieces
• envelope: holds a letter
• wireless: without cables