WorksheetsGrade 4
Total questions: 10
Worksheet time: 5mins
What is the unit used to measure current?
Volts
Amperes
Ohms
Watts
What does a breadboard help you do?
Connect wires and components easily
Measure voltage
Code Arduino programs
Generate electricity
What is the Microcontroller that you use?!
Arduino Uno
Scratch
Playstation
Mobiles
Which of the following supplies power to the Arduino?
Resistor
Breadboard
USB Cable
LED
What is the function of an LED in a circuit?
To produce sound
To display numbers
To emit light
To control voltage
Which port do you use to connect the Arduino to the computer for coding?
Ethernet port
USB port
HDMI port
What software do you use to code the Arduino ?
PictoBlox
C++
Scratch
Python
What is the code block used in PictoBlox to turn on an LED?
"Turn Motor On"
"Set Digital Pin HIGH"
"Set Voltage"
"Increase Current"
What happens if you connect the LED without a resistor?
The LED will blink
The LED might burn out
The LED will shine brighter
Nothing will happen
What is the correct polarity of an LED?
Positive to the shorter leg, negative to the longer leg
Positive to the longer leg, negative to the shorter leg
Both legs are the same
It doesn't matter
