Python Computer Science
Beginner
40 mins
Teacher/Student led
+85 XP
What you need:
Chromebook/Laptop/PC

What is Computer Science?

In this lesson, you will explore what computer science is, why it is important, and how it impacts the world around us. You will also get hands-on experience with a simple Python coding demonstration.
Learning Goals Learning Outcomes Teacher Notes

Live Class Feed

This is a live feed of the latest activity by your students on this lesson. It will update in real-time as they work on the lesson.
Load previous activity

    1 - Introduction to Computer Science

    Computer Science is the study of computers and computational systems. It involves understanding how computers work, writing programs to solve problems, and creating new technologies. Think about the apps you use on your phone, the websites you visit, and even the games you play – all of these are made possible by computer science!

    Here are some real-world examples of computer science in action:

    • Self-driving cars use computer science to navigate roads safely.
    • Social media platforms use algorithms to suggest content you might like.
    • Medical software helps doctors diagnose diseases more accurately.

    Take a moment to think about how computer science might be used in your daily life. Write down two examples of how technology impacts you personally.

    2 - The Importance of Problem-Solving

    Computer science is not just about computers – it’s about solving problems. To solve problems effectively, computer scientists use a process called computational thinking. This includes:

    • Breaking a problem into smaller parts (decomposition).
    • Identifying patterns and similarities (pattern recognition).
    • Focusing on the important details (abstraction).
    • Creating step-by-step instructions (algorithms).

    Can you think of a problem in your life that you could solve using these steps? Write it down and explain how you would approach it using computational thinking.

    3 - Hands-On Coding Demo: Hello, World!

    Now let’s write your first piece of code in Python! Follow these steps:

    1. Open your Python coding environment (e.g., IDLE or an online Python interpreter).
    2. Type the following code into the editor:
    print("Hello, World!")

    3. Run your code. You should see the message Hello, World! displayed on the screen. This is a simple program that tells the computer to print a message. Great job – you’ve just written your first Python program!

    4 - Explore the Code

    Let’s take a closer look at the code you just wrote:

    • print(): This is a function that tells the computer to display something on the screen.
    • The text inside the quotation marks ("Hello, World!") is called a string. It’s the message you want to display.

    Try changing the message inside the quotation marks to something else, like your name. For example:

    print("Hello, my name is [Your Name]!")

    Run your code again and see the new message displayed. Play around with different messages to see what happens!

    5 - Reflect on What You Learned

    Congratulations on completing your first coding task! Let’s reflect on what you’ve learned:

    • What is computer science, and why is it important?
    • How does computational thinking help solve problems?
    • What did you learn from writing and running your first Python program?

    Write a short paragraph answering these questions. Reflecting on your learning will help you understand and remember the concepts better.

    Unlock the Full Learning Experience

    Get ready to embark on an incredible learning journey! Get access to this lesson and hundreds more in our Digital Skills Curriculum.

    Copyright Notice
    This lesson is copyright of DigitalSkills.org. Unauthorised use, copying or distribution is not allowed.
    🍪 Our website uses cookies to make your browsing experience better. By using our website you agree to our use of cookies. Learn more