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Worksheets3rd Std PME
Total questions: 20
Worksheet time: 10mins
The pink color blocks in the Playtron kit are used for:
Decoration
Sensors
Power supply and junctions
Output devices
The orange blocks are:
Switches and sensors
Power blocks
Output devices
Condition blocks
A LED gives:
Motion
Sound
Power
Light
The project "Voting Machine" uses which components?
LED and buzzer
Switch and Motor
LDR and LED
Tact Switch and Counter
The Automatic Street Light turns ON when it is:
Morning
Night
Sunny
Afternoon
Count in Visitor's Counter changes when:
Nothing happens
Door is closed
Person enters
Light is off
The pink "Power Dash" is used for:
Turning off power
Making sound
Giving light
Giving current to other blocks
Blue blocks are used for giving light and sound.
False
True
Visito's Counter project uses an LDR sensor.
False
True
Automatic Street Light turns ON in darkness.
False
True
Power Dash provides electricity to all blocks.
True
False
Case 3: An Automatic Street Light turns ON when it becomes dark and OFF when it's bright. Which sensor helps it detect light?
Buzzer
Switch
Light sensor
LED
Case 3: An Automatic Street Light turns ON when it becomes dark and OFF when it's bright. What happens in the morning?
Buzzer rings
Light turns OFF
Nothing happens
Light turns ON
Case : In a Visitor's Counter, the count changes when someone passes. Which sensor uses here?
LED
Buzzer
Light Sensor
Proximity Sensor
What do we call the character in Scratch?
Which block is used to start a program in Scratch?
Which part of Scratch shows the animation?
What is Scratch?
Scratch is a block based programming language for creating animations and interactive projects.
In Scratch, which block is used to repeat a set of instructions?
Repeat until
Forever
Wait
Repeat
Scratch blocks are joined like :
