Please enable JavaScript to use CodeHS

Computer Science Explorations 1

View Syllabus Overview

Lesson 2.1 Quest for the Rosetta Stone

Description

In this lesson, students go through their third Karel Adventure story! In this story, students will help Karel travel to Egypt to find the Rosetta Stone. Along the way, students will review if/else statements and while loops, and they will learn about for loops, nested if statements, and choosing the best control structure.

Objective

Students will be able to:

  • Use if/else and if/else if/else statements to run code if a specific condition is either true or false
  • Use a nested if statement to check if multiple conditions are true
  • Use a while loop to repeat code as long as a condition is true
  • Use a for loop to repeat code a specific number of times
  • Create programs that use multiple control structures
  • Decide which control structures to use to solve a complex problem

Activities

These are all the activities included in the lesson

2.1.1 History of the Rosetta Stone
2.1.2 The Adventures Begins!
2.1.3 Pick Up the Hat 1
2.1.4 Pick Up the Hat 2
2.1.5 Travel to Egypt
2.1.6 Entering the Temple - Else If Statements
2.1.7 Approach the Entrance
2.1.8 Uncover the Hieroglyph
2.1.9 Navigating the Darkness - For Loops
2.1.10 Light the Torches 1
2.1.11 Light the Torches 2
2.1.12 Karel Finds the Stone! - Nested If Statements
2.1.13 Leave Without a Trace
2.1.14 Which Way?
2.1.15 Getting Out! - Which Control Structure?
2.1.16 Snakes!
2.1.17 Escape the Scarab Room
2.1.18 The End!
2.1.19 Draw a Hieroglyph Example
2.1.20 Challenge: Draw a Hieroglyph