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EV3 Programming Challenge

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Questions and Answers

What is the purpose of the touch sensor in the program?

To make a sound
To control the motor speed
To turn the robot 90 degrees
To detect the edge of a wall (correct)

What does the robot do when the touch sensor is pressed?

It moves backward
It turns left 90 degrees
It stops moving (correct)
It makes a sound

What type of block is used to ask a question and perform an action based on the answer?

Switch block (correct)
Sound block
Loop block
Motor block

What is the purpose of the 'Wait until the touch sensor is pressed' block?

To wait for the touch sensor to be pressed (B) Signup and view all the answers

What does the robot do after moving backward in the program?

It turns right 90 degrees (A) Signup and view all the answers

What is the purpose of the 'Move backward' block?

To back up after hitting a wall (A) Signup and view all the answers

What does the Move Straight block control in a program?

Only direction and distance (A) Signup and view all the answers

What is the purpose of the Set Speed block in a program?

To set the power of the robot's motor (D) Signup and view all the answers

What happens if you enter negative values for power or distance in a Move Straight block?

The robot will move backwards (A) Signup and view all the answers

What is the correct order of blocks in a program to make a robot move straight?

Start Block, Set Speed block, Move Straight block (B) Signup and view all the answers

What is the purpose of the challenge in the program?

To make the robot move from the start line to the finish line and back (C) Signup and view all the answers

What happens if you negate two values, such as power and distance or distance and direction, in a Move Straight block?

The robot will move forward (D) Signup and view all the answers

What is the primary function of the Start Moving block in the Movement palette?

To turn on the drive motors at a given steering and speed (A) Signup and view all the answers

What happens when the Stop Moving block is executed in a program?

The motors will halt immediately, regardless of their current action (B) Signup and view all the answers

What is the primary purpose of using the Wait Until block in the Challenge 1 program?

To wait for the touch sensor to be pressed before stopping the motors (A) Signup and view all the answers

What type of blocks will be used in the Challenge 1 program to control the robot's interaction?

A combination of Movement and Sensor blocks (B) Signup and view all the answers

What is the purpose of writing pseudocode in the Challenge 2 program?

To decide on the blocks needed for the program (C) Signup and view all the answers

What type of interaction will be programmed in the Challenge 2 program when the touch sensor is released?

A combination of Sound, Graphic, and Motion interactions (C) Signup and view all the answers

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