Starter quiz
- What are the blocks that make sprites move called?
- circles
- calls
- commands ✓
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- Where do we place command blocks?
- in the middle
- in the programming area ✓
- on the stage
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- Where do the command blocks start?
- the blocks palette ✓
- the stage
- the programming area
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- What is a moving picture with actions made using step-by-step commands called?
- animation ✓
- animal
- action
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Exit quiz
- What is a program?
- a set of ordered commands that can be run by a computer to complete a task ✓
- still images that do not move
- the place behind a sprite
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- In ScratchJr, how do you make a program begin?
- tap on the green flag ✓
- tap on the stage
- tap on the programming area
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- What is an a set of instructions that can be turned into a program called?
- an animal
- an animation
- an algorithm ✓
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- How does a program end?
- with a green start block
- with a red end block ✓
- with a blue movement block
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Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Backgrounds are still images and do not move.
- In ScratchJr, programs must start with a start block and end with an end block.
- Algorithms are used to plan what you want the program to do.
Common misconception
The items in the background can move.
The background is a static image and the parts it shows are part of the same picture and therefore cannot move. Only sprites can move as they are separate objects.
Keywords
Background - the still picture behind sprites
Program - a set of ordered commands that can be run by a computer to complete a task
Algorithm - a set of instructions that can be turned into a program
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