patricia853
patricia853 Aug 31, 2026 • 0 views

Unplugged activity for CSS Background Color: Color by Code

Hey everyone! 👋 Let's learn about CSS background colors with a fun 'color by code' activity! It's like a puzzle, but with code! 🎨
💻 Computer Science & Technology
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frederick876 Jan 2, 2026

📚 Topic Summary

Unplugged activities are a fantastic way to learn computer science concepts without needing a computer! This 'Color by Code' activity teaches you how CSS (Cascading Style Sheets) uses hexadecimal color codes to set background colors. Each code represents a specific color, and by following the instructions, you'll create a colorful picture! Think of it as a digital paint-by-number!

This exercise helps you understand the relationship between color codes and the colors they produce. It's also a great introduction to how web developers style websites. So grab your pencils and let's get coding... without a computer! 💻➡️🎨

🎨 Part A: Vocabulary

Match the term with its definition:

Term Definition
1. CSS A. A six-digit code representing a color.
2. Hex Code B. A language used to style HTML elements.
3. Background Color C. The color behind the text or images on a webpage.
4. HTML D. The structure of a webpage.
5. Element E. A part of an HTML document.

Answers:

  • 🎨 1 - B
  • 🌈 2 - A
  • 🖍️ 3 - C
  • 💡 4 - D
  • 🧩 5 - E

✍️ Part B: Fill in the Blanks

Complete the following paragraph using the words: background-color, hex code, CSS.

In web development, we use _____ to style our webpages. To change the color behind an element, we can use the _____ property. This property accepts a _____, which tells the browser what color to display.

Answers:

  • 💻 CSS
  • 🎨 background-color
  • 🔢 hex code

🤔 Part C: Critical Thinking

Why is it helpful to learn about CSS colors even without using a computer?

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