Introduction 2 About This Book 2 What's New in the Second Edition 4 About You 5 About the Icons 6 Project 1: Get Started 7 Coding QuickStart 7 A Hello World! example 8 What's an algorithm? 9 Sequence, selection, and repetition .10 Flowcharting 11 Picking a Language 12 Using a Dashboard (IDE) 13 Setting Up Your Account in Scratch 14 Getting Around in Scratch 15 Using the Code Tab in Scratch 18 Getting Around in MakeCode 20 Using the Code Toolbox in MakeCode 23 Fixing Errors 24 Debugging in Scratch .25 Debugging in MakeCode .27 Getting Help 28 Project 2: Jungle Chat 29 Brainstorm 30 Flowchart 30 Start a New Project 31 Add a Backdrop 32 Add Animal Sprites 33 Add Text-to-Speech Commands 36 Code the Monkey to Run When Clicked 36 Code the Monkey to Ask the User’s Name 38 Make and Give the Greeting 39 Code the Monkey to Play a Sound 40 Code the Snake to Play a Sound You Record 41 Code the Toucan to Play a Sound from the Sound Library 43 Enhance Your Scene 45 Save, Test, and Debug Your Program 46 Share Your Program with the World 46 Big Ideas in the Project 46 Project 3: Freeze the Pops 48 Brainstorm 49 Flowchart 49 Start a New Project 51 Make a Variable 52 Code Button A to Measure and Show the Temperature 53 Continue Coding Button A to Show If the Pops Are Frozen 56 Save, Test, and Debug Your Program 59 Transfer Your Program to the micro:bit 60 Put Your micro:bit in the Freezer 60 Enhance Your Gadget 61 Big Ideas in the Project 62 Project 4: Jellyfi sh Jumble 64 Brainstorm 65 Flowcharts 65 Start a New Project 67 Add a Backdrop 67 Add a Jellyfi sh Sprite and Custom Costumes 68 Make a Mr Jelly Sprite and a Fake Sprite 70 Code the Green Flag Blocks 73 Background .73 Mr Jelly .74 Fake and the fakers .75 Code the Faker Clones to Swish 77 Code Mr Jelly to Know He’s Been Found 78 Enhance Your Scene 79 Save, Test, and Debug Your Program 81 Share Your Program with the World 81 Big Ideas in the Project 81 Project 5: Card War 83 Brainstorm 84 Flowcharts 84 Start a New Project 85 Make a Variable 87 Code on shake to Make and Send Your Number 88 Code an on radio received Block to Identify a Winner 90 Save, Test, and Debug Your Program 97 Transfer Your Program to the micro:bit 99 Enhance Your Gadget 99 Big Ideas in the Project 100 Project 6: Avoid the Asteroids 102 Brainstorm 103 Flowcharts 103 Green fl ag fl owchart 104 Robot fl owchart 105 Start a New Project 106 Add Three Backdrops 106 Add a Robot Sprite 108 Add an Asteroid Sprite 110 Make Dents and Timer Variables 112 Add Background Music from the Sound Library 113 Code the Green Flag Blocks 114 Background 114 Robot 117 Asteroids 122 Build Your Asteroid Field 125 Code Key Control of the Robot 126 Enhance Your Scene 127 Save, Test, and Debug Your Program 128 Share Your Program with the World 128 Big Ideas in the Project 128 Project 7: Get Fancy 131 Programming Your Own Ideas 132 Getting inspiration from Scratchers 132 Getting inspiration from MakeCode projects 134 Looking at daily human challenges 134 Entering some contests 135 Getting Your Scratch Programs into the World 135 Sharing a project in Scratch 135 Starting your own Scratch studio 136 Making Your Gadgets Real 137 Putting a program on the micro:bit board 137 Adding more hardware 139 Upping Your Game 140 At-home learning 140 Camps and clubs 140 Books 141 Souping Up User Interfaces in Scratch 142 Painting your own images 142 Finding images online 143 Recording your own sounds 144 Finding sounds online 144 Next Steps 145 Coding at school 145 Coding in college 145 Coding as a career 146