1) What is a robot? a) A machine like a computer b) A machine that does a job WITHOUT (no) a human. 2) A SENSOR: a) SENSES information about its ENVIRONMENT. b) THINKS (pensare) about the information from its sensors 3) A PROCESSOR: a) ACTUATORS - can MOVE or perform an ACTION b) THINKS (pensare) about the information from its sensors 4) A MOTOR: a) Performs an action - MOVES by ROTATING b) SENSES information about its ENVIRONMENT 5) A LIGHT MATRIX: a) Performs an action - has 9 LIGHTS in a GRID. b) Performs an action - MOVES by ROTATING 6) What colour is the "When program starts" block? a) PURPLE b) YELLOW c) BLUE d) PINK 7) What colour are the "LIGHT" blocks? a) PURPLE b) YELLOW c) BLUE d) PINK 8) What colour are the "MOTOR" blocks? a) PURPLE b) YELLOW c) BLUE d) PINK 9) What colour are the "MOVEMENT" blocks? a) PURPLE b) YELLOW c) BLUE d) PINK 10) What is an ALGORITHM? a) Step-by-step instructions, in correct order. b) A list of items. 11) Which of these is an algorithm?  a) A shopping list (lista della spesa) b) A recipe (ricetta) 12) What is CODING? a) WRITING POEMS for a friend using special WORDS. b) WRITING ALGORITHMS for computers using special LANGUAGES. 13) QUARTER (1/4) of a ROTATION as a decimal:  a) 0.25 b) 0.5 14) HALF (1/2) of a ROTATION as a decimal:  a) 0.25 b) 0.5 15) What is a BUG in coding? a) An ERROR in a code. b) An insect. 16) What is computer DEBUGGING? a) Finding and removing insects. b) Finding, correcting or removing errors in an algorithm. 17) How WIDE is the Lego HUB? a) 55 mm b) 3.5 cm  18) How many CENTIMETERS will Iris move with 4 rotations? a) 54 cm b) 64 cm 19) How many ROTATIONS will Iris' tyres make moving 135 cm ? a) 100 b) 10 20) What is the FORCE when 2 things (rubber tyres and table) rub against each other. a) FRICTION (attrito) b) CLUTCH (frizione) 21) To make a 90 degree right turn: move <right: 100> for _______ rotations a) 0.98 b) 0.58

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