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WorksheetsLego EV3 Robotics Quiz (Multiple Choice)
Total questions: 20
Worksheet time: 10mins
What are constraints?
Descriptions of what the robot should look like
A set of limitations which the solution must satisfy
A set of rules for how the robot should move
Examples of components the robot should include
What does LED stand for?
Light Excited Diode
Light Electricity Device
Light-Emitting Diode
Light-Emitting Device
How can programs be downloaded onto the robot?
USB cable
Power cable
VGA cable
Ethernet cable
What is a gear ratio?
Ratio between the smallest and largest gears
Ratio between the quantity of teeth on two gears that are turning together
Ratio between the teeth of the gears that are the farthest apart from each other
Ratio between the two largest gears
How do you turn on the EV3?
Right Button
Left Button
Center Button
Top Button
How do you turn off the EV3?
Insert the USB adapter into the USB port on the side of the EV3
Press and hold the right button for 5 seconds until there is a clicking noise
Double click left button and wait for a shut down box to appear
Press the back button until a shut down box appears, and use the center button to select the check
How can the motor and sensor values be checked on the EV3?
Using the Brick Apps on the third menu > Port View > Select the desired motor or sensor
Attach another screen adapter to the USB port on the side of the EV3
Add blocks to display the motor and sensor values when the program is running
Use a digital multimeter to measure the output values
What can a robot’s program do?
Send information to electronic devices
Connect the different parts of the robot
Process data and make decisions
Provide power to electronic devices
Which programming command allows a computer to choose between two sequences of code based on a conditional statement?
Block
Touch
Sensor
Switch
Which are used to connect motors?
Ports A-D
Ports A-C
Ports 1-4
Ports 1-3
Which sensors can EV3 use?
Touch, Color, Heat, Ultraviolet
Ultrasound, Gyro, Color, Touch
Ultrasound, Gyro, Color, Heat
Touch, Color, Ultraviolet, Heat
Which are used to connect sensors?
Ports A-D
Ports A-C
Ports 1-4
Ports 1-3
What is the function of the Gyro sensor?
Detects when it is being pressed and released again
Measuring the intensity of the reflected light
Measuring the speed of the robot and how far it moves
Measuring the robot's rotational motion and changes in orientation
What are the orange programming blocks used for?
Data operation
Flow control
Displaying sensor values
Displaying motor values
What happens when a negative power level is used on a motor block?
Motor turns backwards
Motor turns in a circle
Motor turns in both directions
Motor decreases in speed
Which computer component controls the systems of the robot?
Microcontroller
Servo
Subsystem
Gyroscope
Which devices collect input from the environment and provide information for the central processing unit to respond to?
Actuators
Gears
Motors
Sensors
What is the ultrasonic sensor used for?
Detecting the intensity of light
Start/stop control systems
Generating sound waves and reading the echoes to detect and measure the distance from objects
Generating sound waves in order to detect the size of certain objects
How can the menus of the EV3 be navigated?
Use the LEGO IR remote to navigate, the center button to select, and the back button to cancel or go back
Use the LEGO IR remote to navigate, the right button to select, and the left button to cancel or go back
Use the direction buttons to navigate, center button to select, and the back button to cancel or go back
Use the touch screen to navigate
How can a comment be added to the program?
Type above the first line of code
Type below the last line of code
Click the comment tool to create a comment box, then type inside the box
Click the comment tool to create a comment box, then type next to the box
