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Treasure Hunt: Lesson 3 – Check Your Understanding

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

Which of the following is NOT a function of the Optical Sensor?

a)

Reporting the proximity of an object

b)

Reporting the color of an object

c)

Reporting whether the Bumper Switch is pressed

d)

Reporting the brightness of ambient light

2.

You can view the values the Optical Sensor is reporting as a project is running on the ________.

a)

Dashboard on the VEX IQ (2nd gen) Brain

b)

Touch LED

c)

VEXcode IQ Toolbox

d)

Help

3.

How many times will the behaviors in this [Repeat] block be executed?

a)

300

b)

90

c)

6

d)

0

4.

What condition will be checked next if the condition of the Optical Sensor detecting red is FALSE?

a)

The condition of the Bumper Switch being pressed.

b)

The condition of the Optical Sensor detecting green.

c)

The condition of the Optical Sensor detecting blue.

d)

The condition of the Touch LED being pressed.

5.

Fill in the blank: The purpose of having multiple [If then] blocks in this project is to have the Optical Sensor check for each color and show the color on the ____.

a)

Touch LED

b)

Robot's screen

c)

Computer monitor

d)

Mobile device

6.

What is the purpose of using an Optical Sensor in a robotics project?

a)

To detect colors

b)

To measure distance

c)

To start a project

d)

To make it look cool

7.

In this project when the Optical Sensor detects _____ the robot will _____. (Select all answers that are correct!)

a)

Red; turn right 90 degrees

b)

Blue; drive in reverse 300mm

c)

Green; drive forward 300mm

d)

Red; drive forward 300mm