1. Getting Started

What is Scratch

Scratch Programming Environment

• The stage
• Sprite list
• Blocks tab
• Scripts area
• Costumes tab
• Sounds tab
• Backdrops tab
• Sprite info
• Toolbar

Paint Editor

• Setting the centre of an image
• Setting transparent colour

Your first Scratch Game

• Prepare the backdrop
• Add the paddle and ball
• Start the game and get your sprites moving
• Spice it up with sound

Scratch blocks: An overview

Arithmetic Operators and Functions 

• Arithmetic Operators 
• Random Numbers
• Mathematical Functions

2. Motion and Drawing

   Using Motion Commands 

• Absolute Motion
• Relative motion
• Other motion commands

  Pen commands and easy draw

  The power of repeat

• Rotated squares
• Exploring with stamp

Scratch Projects.

• Get the Money 
• Catching Apples
• More on Cloned Sprites . .

Looks and Sound

The Looks Palette 

• Changing Costumes to Animate 
• Sprites That Speak and Think 
• Image Effects 
• Size and Visibility 
• Layers 

The Sound Palette 

• Playing Audio Files 
• Playing Drums and Other Sounds
• Composing Music 
• Controlling Sound Volume 
• Setting the Tempo 

Scratch Projects

• Dancing on Stage 
• Fireworks .

4. Procedures

Message Broadcasting and Receiving 

• Sending and Receiving Broadcasts 
• Message Broadcasting to Coordinate Multiple Sprites
• Creating Large Programs in Small Steps
• Creating Procedures with Message Broadcasting 
• Building Your Own Block 
• Passing Parameters to Custom Blocks 
• Using Nested Procedures 

Working with Procedures 

• Breaking Programs Down into Procedures .
• Building Up with Procedures . .

5. Variables

Data Types in Scratch 

• What’s in the Shape? 
• Automatic Data Type Conversion 

Introduction to Variables 

• What Is a Variable? 
• Creating and Using Variables 
• The Scope of Variables 
• Changing Variables 
• Variables in Clones 

Displaying Variable Monitors 
Using Variable Monitors in Applications 

• Simulating Ohm’s Law 
• Demonstrating a Series Circuit . .
• Visualizing a Sphere’s Volume and Surface Area 
• Drawing an n-Leaved Rose .
• Modeling Sunflower Seed Distribution 

Getting Input from Users 

• Reading a Number
• Reading Characters 
• Performing Arithmetic Operations

6. Making Decisions
Comparison Operators 

• Evaluating Boolean Expressions 
• Comparing Letters and Strings 

Decision Structures 

• The if Block 
• Using Variables as Flags 
• The if/else Block 
• Nested if and if/else Blocks 
• Menu-Driven Programs 

Logical Operators 

• The and Operator 
• The or Operator 
• The not Operator 
• Using Logical Operators to Check Numeric Ranges

Scratch Projects

• Guess My Coordinates 
• Triangle Classification Game .
• Line Follower .
• Equation of a Line .

Repetition: A Deeper Exploration of Loops
More Loop Blocks in Scratch 

• The repeat until Block
• Building a forever if Block

Stop Commands

• Ending a Computational Loop
• Validating User Input .

Counters 

• Check a Password
• Counting by a Constant Amount 

Revisiting Nested Loops .
Recursion: Procedures That Call Themselves .

Scratch Projects 

• Analog Clock 
• Bird Shooter Game
• Free-Fall Simulation .
• Projectile Motion Simulator 

8. String Processing

Revisiting the String Data Type 

• Counting Special Characters in a String 
• Comparing String Characters 

String Manipulation Examples 

• Igpay Atinlay 
• Fix My Spelling 
• Unscramble 

Scratch Projects 

• Shoot 
• Binary to Decimal Converter .
• Hangman
• Fraction Tutor