← Back to course
Inside the Machine G1 to G2 / Week 02 / Wednesday
3/6
Week 02 · Telling the computer: input

Wednesday

Microphone and camera
// Parts that send information in
⏱ about 15 min

Wednesday: Microphone and camera

Rocket says hello into the tablet.

His voice turns into wiggly lines.

Raven looks closer. "What do you notice?"

Nova hovers. "Hint: sound can go in too."

Sound and pictures go in

A microphone takes in sound.

Your voice goes in as input.

A camera takes in pictures and video.

What the camera sees goes in as input.

Nova has a microphone too. That is how she hears you.

  • Microphone: sound goes in.
  • Camera: pictures go in.
  • Keyboard: letters go in.
  • Mouse and touchscreen: a spot goes in.
For a grown-up
Cameras and microphones are grown-up tools.
A child uses them only with you there.
Video calls happen with a grown-up in the room.
SOUND AND PICTURES
  • Read the question.
  • Tap your answer.
Which part takes in sound?
Which part takes in pictures?
Is a microphone input or output?
Who is with you on a video call?
SentenceTrue or false?
A microphone takes in sound.?
A camera takes in sound only.?
Your voice can be input.?
A camera is an input part.?
WHY THIS EXERCISEA camera takes in pictures. A microphone takes in sound.
Try it
Ask a grown-up to show the microphone hole.
Then find the camera dot on a device.
Look only. Do not poke them.
Safety first
A grown-up holds the device.
Do not poke the camera or microphone.
Ask before you touch any device.
ROCKET SAYS HELLO
  • Tap a card.
  • Then tap its spot.
1First
2Next
3Last
INPUT MATCH
  • Read the question.
  • Tap your answer.
Your voice goes into which part?
A picture of a flower goes into which part?
How does Nova hear you?
SentenceTrue or false?
You may poke the camera dot.?
Nova hears with a microphone.?
Sound is one kind of input.?
WHY THIS EXERCISEPoking can hurt the camera. Look only.
Draw a face talking into a microphone.

Word Spot: most, things

Here are new sight words.

Look at each word. Say it. Spell it.

Most: M-O-S-T.

Things: T-H-I-N-G-S.

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.
FILL THE GAP
  • Listen to the sentence.
  • Tap the missing word.
Which jar has the ___ beans?
Living ___ need water.

Sound and pictures went in today! Tomorrow we fix a mouse.

← Tuesday