EV3 Block Coding Mastery Quiz

What is the purpose of a loop in EV3 block coding?

• To execute a block of code only once

• To stop the program

• To execute a block of code multiple times

• To check the battery level

Which loop structure would you use to repeat a set of instructions a specific number of times in EV3 block coding?

• Forever loop

• While loop

• For loop

• Until loop

What sensor can be used in EV3 block coding to detect color?

• Gyro sensor

• Ultrasonic sensor

• Touch sensor

• Color sensor

How can you make a program wait for a touch sensor to be pressed in EV3 block coding?

• By using a loop that checks the touch sensor's state

• By setting the motor power to zero

• By using a color sensor block

• By sending a message

What does the "break" block do inside a loop in EV3 block coding?

• Pauses the loop for a specified time

• Stops the entire program

• Exits the loop immediately

• Decreases the loop count

Which sensor is NOT typically used to control robot navigation in EV3 block coding?

• Gyro sensor

• Color sensor

• Sound sensor

• Ultrasonic sensor

In EV3 block coding, how can you make a robot move until it detects an object in front of it?

• Use a loop with a gyro sensor

• Use a loop with an ultrasonic sensor condition

• Use a sound sensor block outside of a loop

• Use a color sensor in a forever loop

What is the function of the "Wait" block in EV3 block coding?

• To delay the program for a specific amount of time

• To wait for a specific sensor condition to be met

• To help sequence your coding

• All of the above

How can loops be nested in EV3 block coding?

• By placing a loop inside another loop

• By connecting two loops side by side

• By using a "Wait" block between two loops

• Loops cannot be nested in EV3 block coding

Which of the following is true about using sensors in EV3 block coding?

• Sensors can only be used inside loops

• Sensors can trigger events that start or stop loops

• Only one sensor can be used in a program

• Sensors are not necessary for robot movement