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Inside the Machine G1 to G2 / Week 09 / Friday
5/6
Week 09 · Computers Talk to Each Other

Friday

The trip of a message
// Wi-Fi, the internet and packets
⏱ about 15 min

Friday: The trip of a message

Rocket sends Raven a silly drawing.

"It went across the whole station!"

Raven giggles. "What do you notice about the trip?"

Nova spins. "Hint: waves, wires and little packets."

What we learned this week

  • Wi-Fi uses radio waves through the air.
  • The internet is many computers connected together.
  • Messages travel in small pieces called packets.
  • Numbers put the packets back in order.
  • A grown-up keeps the Wi-Fi password private.
MESSAGE TRIP QUIZ
  • Read the question.
  • Tap your answer.
What does Wi-Fi use?
What is a packet?
Who keeps the Wi-Fi password?
What connects your home to the internet?
THE TRIP OF A MESSAGE
  • Tap a card.
  • Then tap its spot.
1First
2Next
3Then
4After that
5Last
SentenceTrue or false?
You can see radio waves.?
Packets can take different paths.?
Some internet cables run under the sea.?
You should tell a neighbor the Wi-Fi password.?
WHY THIS EXERCISERadio waves are invisible. Passwords stay with a grown-up.
Try it
Tell a grown-up how a message travels.
Use your hands to show waves and packets.
Which part surprised you most?
STORY CHECK
  • Read the question.
  • Tap your answer.
What did Rocket send?
What three things did Nova name?
What comes first on the trip of a message?
SentenceTrue or false?
A lost packet is sent again.?
More bars on the Wi-Fi icon means stronger.?
The internet is one computer.?
WHY THIS EXERCISEThe internet is many computers. Packets that get lost are resent.

Word Spot review

Let us review this week's sight words.

Look at each word. Say it. Spell it.

Put: P-U-T.

Round: R-O-U-N-D.

Some: S-O-M-E.

Picture: P-I-C-T-U-R-E.

Change: C-H-A-N-G-E.

Spell: S-P-E-L-L.

Air: A-I-R.

FIND THE WORD
  • Listen to the word.
  • Tap it.
Find the word you hear.
Find the word you hear.
Find the word you hear.
Find the word you hear.
FIND THE WORD
  • Listen to the word.
  • Tap it.
Find the word you hear.
Find the word you hear.
Find the word you hear.
FILL THE GAP
  • Listen to the sentence.
  • Tap the missing word.
I ___ my boots on.
A ball is ___.
___ birds sing in the morning.
Draw a ___ of a tree.

You followed a message across the world! Next week we open the Fix-It Bay.

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