6.6 Pen Art wip - needs updated to scratch3

Students draw a shape using the pen tool. They will make a block for their shape, that they will repeatedly call, making a circle of shapes.

Students should customize their art with the pen attributes of : color; shade; line thickness.

OBJECTIVES:

OBJECTIVES: By the end of this lesson, students will:

- realize that all sprites can become drawing tools.
- understand pen attributes: line, color, shade.
- practice making a block with no parameters.
- identify that any shape can be made with a sprite if it turns: 360 / number of sides, on each edge.

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STUDENT PAGE

WrapAround Slides

RUBRIC

- CSTA 2-AP-13: Decompose problems and subproblems into parts to facilitate the design, implementation, and review of programs.
- CSTA 2-AP-14: Create procedures with parameters to organize code and make it easier to reuse.

1. Watch Careers in tech: Tess (2:09)
  - Tess says "I love computer science because I can build something from start to finish and have it do something." What do you like about CS?
  - What is Tess's job?
  - What is Tess's advice?

Tess's job is to catch fraudsters - people who hack your personal account details on google. Fraudsters are engineers too.
Tess' advice is to stick with it, there will be a point were you go, "Oh, I got this now!"

Show students how to use the pen tool: pen down, move sprite, pen up.

Try out pen attributes of color, size and shade. Clear command will clear the stage of all bitmap images.

2. Have students draw a square. Some students will use a repeat block. Ask them why they repeat 4 times? Because a square has 4 sides.

- Students decide on a shape using the student handout.
- Students make a block for their shape. Colleen Lewis Block Video
- They call their block repeatedly make a circle of shapes
- They customize their Artwork using pen Attributes: Color, Size and Shade.

Discuss the following questions:

1. How do you draw on the stage?
2. How to you clear the stage of pen work?
3. Can any shape be made with procedure block, ShapeMaker?
4. How would you edit Shape Block, to make create lots of different shapes?

Use a sprite with Pen Down.
Clear Command
Yes: if you know the number of sides a shape has, you can repeatedly move it and turn it by an angle of 360 / number of sides.
If you had a parameter called number of sides, one block could draw any shape

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