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AI Explorers K-2 / Week 03 / Thursday
4/6
Week 03 · Pictures Are Tiny Dots

Thursday

Red, green and blue light
// Pixels make pictures
⏱ about 15 min

Thursday: Red, green and blue light

Raven shines three flashlights on a wall.

Red, green and blue!

Raven asks, "What do you notice?"

Nova hints, "Screens use these three lights."

Screens mix light

A screen makes colors with light.

It uses red, green and blue light.

It mixes them to color each pixel.

Different mixes make different colors.

SCREEN COLORS
  • Read the question.
  • Tap your answer.
What three lights does a screen use?
What does a screen use to make color?
SentenceTrue or false?
Screens use red, green and blue light.?
Screens are colored with paint.?
Each pixel gets a color.?
WHY THIS EXERCISEMixing three lights colors each pixel.
Try it
Find red, green and blue crayons.
Color one small square with each.
Say the three screen colors out loud.

Change a pixel, change the picture

A computer can change a pixel's color.

Then the picture changes too.

Change many pixels for a big change.

CHANGE IT
  • Read the question.
  • Tap your answer.
One pixel turns from blue to red. The picture...
Many pixels change color. The picture...
Who tells the computer to change it?
How many light colors do screens mix?
SentenceTrue or false?
A pixel can change color.?
Changing pixels changes the picture.?
Screens mix five light colors.?
Screens glow with light.?
WHY THIS EXERCISEPixels are data a computer can change.
Draw three circles: red, green and blue.

Word Spot: yellow, time, more

Here are new sight words.

Look at each word. Say it. Spell it.

Yellow: Y-E-L-L-O-W.

Time: T-I-M-E.

More: M-O-R-E.

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.
The sun is ___.
What ___ is it?
Can I have ___ water?

Bright work today!

Tomorrow we copy, change and erase.

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