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WorksheetsScratch Blocks Worksheet (Grade 3)
Total questions: 60
Worksheet time: 30mins
What is the color of the Events block in Scratch?
Blue
Yellow
Green
Red
Why are Events blocks important in Scratch?
They start actions when something happens
They make the sprite look bigger
They draw shapes with the pen
They change the backdrop automatically
Create a simple project that runs when the green flag is clicked. Which event block should you use?
When green flag clicked
When space key pressed
When this sprite clicked
When backdrop switches
What will happen if you remove the "when green flag clicked" block from a script?
The script will not start by clicking the green flag
The sprite will move faster
The pen color will change
The backdrop will switch
The Pen block helps to:
Move the sprite
Play sounds
Draw lines and shapes
Add new backdrops
To see the trail of the sprite, we use the ____________ command.
Pen up
Pen down
Erase all
Clear
Write steps to draw a square using the Pen block. Which sequence is correct?
Pen down, repeat 4 times: move steps and turn 90°, then pen up
Pen down, move once, turn 180°, then pen up
Pen up, repeat 4 times: move steps and turn 45°
Pen down, wait 1 second, stop all
Control blocks are used to manage how scripts run. (True/False)
True
False
What is the function of the "repeat" block in Scratch?
Repeat actions a set number of times
Run the script forever
Start events when keys are pressed
Change pen color
How does the "forever" block differ from the "repeat" block?
Forever runs endlessly; repeat runs a set number of times
Repeat runs endlessly; forever runs a set number of times
Forever only changes colors
Repeat only works with sounds
Create a program where the sprite starts drawing when the green flag is clicked and stops when the space key is pressed. Which blocks should be included?
When green flag clicked
Forever
When space key pressed
Stop all
Events block is used to:
Control the sprite’s motion
Start a program
Draw with pen
Change background
The Events block in Scratch is __________ in color.
Blue
Yellow
Green
Red
"When green flag clicked" starts the program when the flag is clicked. (True/False)
True
False
What happens when we use "When space key pressed" in a script?
The script runs when the space key is pressed
The script only runs with the mouse
The sprite changes costume automatically
The backdrop changes every second
How would a project behave if two different events are used for the same sprite?
Different scripts can start with different triggers
Only the first event will work
The sprite will stop moving
The pen will always be down
The Pen block belongs to which category?
Looks
Motion
Pen
Sound
The block used to change pen color is __________.
Set pen color to
Change pen color by
Set color effect to
Erase all
Write two commands that help to draw a line in Scratch. Which pair is correct?
Pen down and move steps
Turn 90° and stop all
Pen up and wait 1 second
Switch backdrop and play sound
Draw a triangle using Pen and Motion blocks. Which sequence is correct?
Pen down, repeat 3 times: move steps and turn 120°, then pen up
Pen down, repeat 4 times: move steps and turn 90°, then pen up
Pen up, move steps, turn 45°, stop all
Pen down, forever move steps
Use Pen, Motion, and Control blocks to create a simple Rangoli pattern. Which loop setup would best repeat a shape around a circle?
Repeat 6 times: draw a shape and turn 60°
Repeat 2 times: move and stop all
Forever change color without turning
Wait 1 second and play sound
The "repeat" block helps to:
Repeat actions
Change colors
Move sprite
Start events
The block that runs a script endlessly is __________.
Repeat
Forever
Stop all
Wait
What is the use of the "wait" block in Scratch?
It stops the program forever
It makes the sprite wait for a set time before the next block
It changes the sprite’s costume
It starts the program
What will happen if a "forever" loop is placed inside another "forever" loop?
The inner loop runs once then stops
The outer loop stops the inner loop
The blocks inside keep repeating without stopping
The sprite is deleted
Create a program that makes the sprite draw a star when the green flag is clicked. Which set of blocks would correctly draw the star?
When green flag clicked; say Hello
When green flag clicked; pen down; repeat with move and turn to draw points; pen up
When green flag clicked; change costume; stop
When green flag clicked; play sound; wait
If your project is not running when you click the flag, what could be missing from your script?
A forever block
A when green flag clicked block
A move 10 steps block
A looks block
Design a "Spinning Pattern" project using Events, Control, and Pen blocks. Which logic best matches this?
Start with when green flag clicked; pen down; repeat move and turn to make a spinning pattern; pen up
Say Hello then stop
Change costume repeatedly without turning
Play a sound then wait
Which block combination will help draw a moving square?
Motion + Looks
Motion + Pen + Control
Pen + Sound
Events + Looks
In Scratch, the character that performs actions is called a
script
stage
sprite
costume
The stage is the area where the sprite performs actions.
True
False
Why is the "when green flag clicked" block often used at the beginning of a program?
It points the sprite in a direction
It runs blocks only if a condition is true
It starts the script when the project begins
It changes the background
Your sprite is drawing unwanted lines. Which block should you use to fix it, and why?
Pen down, because it stops drawing
Pen up, because it lifts the pen and stops drawing lines
Move 10 steps, because it clears lines
Wait, because it pauses drawing
A programming language has a set of
blocks
instructions
Which block has instructions to provide the trail of the sprite?
Motion
Pen
Looks
Sound
Pen down command makes the sprite ______ as it moves.
leave a trail
disappear
stop forever
jump to the stage
Which block helps us to play a musical note?
Looks
Sound
Motion
Events
Which block changes the looks of a sprite?
Motion
Looks
Sound
Events
In Scratch, the character which moves on the stage is called a
costume
sprite
script
stage
The place where you can run your stories, games or animations is the
Sprite
Costume
Stage
Sound
The statement "Stage area displays background and sprite for animation"
True
False
The statement "Red flag is used to run the animation"
True
False
What is the function of the 'when green flag clicked' command block?
Points sprite in the specified direction
If condition is true, runs the blocks inside
Runs the script
Look carefully at the scripts below. How many times does the costume change happen?
10
20
30
Match the instructions to the appropriate blocks.
Pen
Pen down
Looks
Change color effect by
Sound
Set instrument to
Motion
Move 10 steps
In Scratch which blocks are blue?
Control
Looks
Sound
Motion
A block which changes the looks of a sprite, or the background is
Looks
Motion
Sound
Events
A block which has instruction to make the sprite speak, musical notes is
Looks
Motion
Sound
Events
When the command "set pen color" is used, what happens?
The sprite moves
The pen’s drawing color changes
The sprite hides
The program stops
When the command "set pen size" is used, what happens?
The sprite says Hello
The thickness of the drawn line changes
The background changes
The sound volume increases
What is the function of the 'Move 10 steps' command block?
Runs the blocks inside over and over
Move sprite forward
Runs script below when specified key is pressed
None of the above
Identify the odd man out from this group: Move 10 steps, point in direction, if on edge bounce, forever
Move 10 steps
point in direction
if on edge bounce
forever
Identify the odd man out from this group: set instrument to, change color effect by, stop all sounds, change volume by
set instrument to
change color effect by
stop all sounds
change volume by
Identify the odd man out from this group: clear, think hmm, show, hide
clear
think hmm
show
hide
Identify the odd man out from this group: Pen up, pen down, stamp, wait
Pen up
pen down
stamp
wait
What are the main components of Scratch? Select all that apply.
Stage
Sprite list
Blocks palette
Scripts area
Costume editor only
Which are uses of the Pen block menu? Select two.
Draw lines by leaving a trail
Play a musical note
Change pen color
Change the sprite’s direction only
Write down the blocks used in the program shown. Which list best matches common simple scripts?
When green flag clicked; move 10 steps; say Hello
Change volume; stop all sounds; forever
Hide; show; point towards mouse-pointer; delete
None of the above
Modify the following script: change pen color to orange; change pen size to 10; decrease the number of steps; change last block to think Hmm!. Which changes should be made?
Change pen color to orange
Change pen size to 10
Decrease the number of steps
Change last block to think Hmm!
Aarav wants to move the sprite forward by 20 steps and then say "Hi, How are you?" Which sequence of blocks will do this?
When green flag clicked; say Hi, How are you?; move 20 steps
When green flag clicked; move 20 steps; say Hi, How are you?
Forever; say Hi, How are you?
Stop all
