Scratch Dialogues

Exploring Computer Science – Lesson 4-3

Objectives

The students will be able to:• Develop a dialogue between two or more Scratch sprites.• Explain the reasoning behind how their dialogue works.

Knock Knock

Dialogues in Scratch•Dialogues in scratch are created using “say” blocks

Cats Telling Jokes…•What’s the problem with that program? Why doesn’t it look like a conversation?•Look around scratch and tell me how we can fix this?

Rest of Today•Create your own dialogue.•You can do your own knock-knock joke, or you can use your creativity.

RubricDo you have? Points

PossibleHave 2 sprites talking in dialogue. 30

Have a 3rd sprite talking in dialogue. 15

All the sprites are polite and they take turns talking

20

Each sprite says at least 3 things. 15

The conversation starts “when green flag clicked” 20

Extra Credit

Have 4 or more sprites talking in dialogue 10

TOTAL: 100