Starter quiz
- Match the term to its definition.
- sprite⇔a graphic object controlled by a program ✓
- algorithm⇔a precise set of steps to complete a task ✓
- event⇔triggers a block of commands to run ✓
- What does it mean to duplicate in programming?
- Delete an object.
- Copy an exact part of a project. ✓
- Change the background.
- Move a sprite.
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- Why would you want to adjust the size of a sprite?
- to make it invisible
- to delete it
- to change its colour
- to match the background ✓
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- What can you do to improve an existing project?
- Ignore missing actions.
- Delete all sprites.
- Identify missing actions and events. ✓
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- What icon at the top of the stage is clicked to start a program in Scratch?
- 'flag' ✓
- When we are using a pen and paper, how can we make marks on the paper with the pen?
- Move the pen and then put the tip of the pen onto the paper.
- Lift the tip of the pen off the paper and move the pen.
- Put the tip of the pen down onto the paper and move the pen. ✓
- Put the pen down and don’t touch it.
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Exit quiz
- Match the keyword to the definition.
- extension⇔an option that adds new features to a Scratch project ✓
- setup⇔a part of a program where the starting instructions are given ✓
- What is an extension in Scratch?
- an option that adds new blocks to a project ✓
- a program to create new sprites
- a way to change the background
- a special costume for a sprite
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- What is the name of the Scratch extension used for drawing?
- 'pen' ✓
- Which block makes the sprite start drawing?
- 'pen up'
- 'pen down' ✓
- pen erase all
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- What happens when the 'erase all' block is triggered?
- The pen stops drawing.
- The drawing lines are all removed. ✓
- The sprite goes to the middle of the stage.
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- Why is setup code important in a drawing program?
- It makes the sprite change costumes.
- It makes sure the program starts the same way every time. ✓
- It saves the drawing when the program closes.
- It makes the sprite disappear.
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Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- A programming extension can be used to add features.
- Real world considerations should inform design choices.
- Specific blocks can be chosen to setup a program.
Common misconception
The pen down block turns the pen function off.
The pen down block makes the pen draw and is required to make marks on the stage. Pen up allows the sprite to move without making marks on the stage.
Keywords
Extension - an option that adds new features to a Scratch project
Setup - a part of a program where the starting instructions are given, such clearing the screen or setting a sprite’s position
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