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Module 1 · Learning to Drive

Lesson 4 · Parameters & Customization — Knowledge Checks

Name Date

  1. You click the gear on a function block and drag an 'input name' block into the 'inputs' block. What happens to the function definition?

    1. A.Nothing until you press Run
    2. B.It grows a "with:" row naming the new parameter
    3. C.The blocks inside the function are deleted
    4. D.A new function is created

    Answer Why?

  2. Inside the function body, where do you get a block that holds the parameter's value?

    1. A.The Variables category — the parameter appears there as a rounded block
    2. B.The Functions category, next to the call block
    3. C.You type its name into the number slot
    4. D.You have to make a new variable with the same name

    Answer Why?

  3. In the call square (side_length: 50), what is the 50?

    1. A.The parameter
    2. B.The argument — the value passed in
    3. C.The function name
    4. D.The turn angle

    Answer Why?

  4. With square (side_length), calling square (side_length: 35) makes the robot drive each side how long?

    1. A.90 cm
    2. B.35 cm
    3. C.4 cm
    4. D.It depends on the effort

    Answer Why?

  5. A function is defined as draw rectangle (length, width). Are draw rectangle (50, 30) and draw rectangle (30, 50) the same?

    1. A.Yes — the numbers are the same
    2. B.No — order matters, so length and width are swapped
    3. C.Yes — Blockly sorts them
    4. D.Only if the robot is turned off

    Answer Why?