Lesson 2 Interim Assessment

A student creates the following program: [Image of program blocks] When the student runs the program, the LED turns on automatically. They want to fix the program so the LED will turn on only when an object is detected. Select the code that will fix the program.

• [Image of code block a]

• [Image of code block b]

• [Image of code block c]

• [Image of code block d]

What is the code block A to the appropriate description.

• Executes code continuously.

• Executes code based on a condition.

• Executes code based on when the program starts.

• Executes code based on an event occurring.

What is the code block B to the appropriate description.

• Executes code continuously.

• Executes code based on a condition.

• Executes code based on when the program starts.

• Executes code based on an event occurring.

What is the code block C to the appropriate description.

• Executes code continuously.

• Executes code based on a condition.

• Executes code based on when the program starts.

• Executes code based on an event occurring.

What is the code block D to the appropriate description.

• Executes code continuously.

• Executes code based on a condition.

• Executes code based on when the program starts.

• Executes code based on an event occurring.

A group is flowcharting a program that continuously checks if the color blue is sensed. When blue is detected, the brain should print “Blue Detected!” on the screen for a user to read. Select the missing action of the flowchart:

• Turn on the LED.

• Turn on the Motor.

• Wait 3 seconds.

• Stop running the program.

Which of the following is an example of how programming sensors have improved our lives in a way that has prevented serious injuries?

• The lights in a room turn off if no motion is detected after 5 minutes.

• Water comes out of the faucet when motion is detected under the spout.

• When it gets below 70 degrees in your house, the heater turns on.

• When the garage door is coming down and senses any object in its path, it stops and reopens.

Brendan, Shaniqua, Angie, and Davon each created the same program, but with different comments. Which version has the best comments for this program?

• a

• b

• c

• d

The image below shows a __________________ mechanism. The ________________ moves up and down one time for every revolution of the ________________.

• Cam and Follower; Follower; Cam

• Gear and Pinion; Pinion; Gear

• Lever and Fulcrum; Lever; Fulcrum

• Pulley and Belt; Belt; Pulley

Parvati, Finn, and Malik built the Cam and Follower system pictured below. In the system, the dog should move up and down briefly when a person walks by. Which of the following programs could automate their system in a way that meets their goals? Select all that apply.