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WorksheetsKiến thức cơ bản về Scratch
Total questions: 31
Worksheet time: 41mins
What is Scratch?
A drawing tool
A programming language for children
A text-based programming language
A web browser
Which area in the Scratch interface is used to arrange command blocks?
Stage
Sprites Panel
Blocks Palette
Scripts Area
What is a Sprite in Scratch?
A type of command block
A programming language
A character or object that can be programmed
A background
Which category contains command blocks that help move Sprites?
Looks
Motion
Events
Control
Which command helps a Sprite move forward?
move 10 steps
turn 15 degrees
change x by 10
go to x: y:
What does the command 'go to x: y:' do?
Move Sprite randomly
Move Sprite to a specific position on the Stage
Move Sprite to a random position
Delete Sprite
Which category contains command blocks that change the appearance of Sprites?
Motion
Looks
Control
Sensing
Which command helps a Sprite display dialogue?
think 'Hello!' for 2 seconds
say 'Hello!' for 2 seconds
broadcast 'Hello!'
move 10 steps
Which command helps play a sound?
play sound 'Meow'
change size by 10
broadcast 'Start'
forever
What does the command 'forever' do?
Repeat forever
Stop all programs
Run the program once
Make Sprite disappear
Which category contains command blocks that control loops?
Looks
Motion
Control
Sound
What does the command 'wait 1 second' do?
Pause the program for 1 second
Stop the Sprite
Move the Sprite
Delete the Sprite
Which command helps detect when a key is pressed?
when green flag clicked
when space key pressed
wait until key pressed
go to x: y:
What does the command 'if...then' do?
Run the command when the condition is true
Repeat forever
Stop all programs
Change the size of the Sprite
What is the effect of the 'if...then' command?
Run the command when the condition is true
Loop forever
Stop all programs
Change the size of the Sprite
Which command helps the Sprite to hide?
hide
delete this clone
go to back layer
switch costume
What is a Variable in Scratch?
A type of Sprite
A number or value that can change
An audio effect
A background
Which command helps to increase the value of a variable?
set variable to 10
change variable by 1
hide variable
delete variable
Which command helps to send a message to all programs?
broadcast 'message'
wait 1 second
stop all
switch costume
Which command helps to detect when the Sprite touches a color?
touching color?
touching mouse-pointer?
go to x: y:
hide
What is the Stage in Scratch?
The area where Sprites move and interact
A type of Sprite
An audio effect
A control block
Which command helps the Sprite to turn to a specific direction?
What is the effect of the 'glide 1 sec to x: y:' command?
Which command helps to stop the program?
Which command helps the Sprite to wait before performing the next action?
Which command helps the Sprite to go to a random position?
Which command helps to detect when the Sprite touches another object?
What is the effect of the 'next costume' command?
How to add a new Sprite?
Which command helps the Sprite to point towards another object?
Which command helps to change the color of the Sprite?
