Grade 4

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