Higher:
I can explain how a line-tracking robot is used and how it improves efficiency in manufacturing.
Middle:
I can describe how a line-tracking robot works.
Lower:
I know what a line-tracking robot is.
Higher:
I can evaluate the build of the line-tracking robot and the use of its parts.
Middle:
I can follow instructions to build my line-tracking robot.
Lower:
I can gather together the correct equipment to build my line-tracking robot.
Students to make a list of jobs best performed by humans and jobs best performed by robots. Are there any jobs which they think robots could be made for? Can students justify their answers.
Lists could be made in a book or on mini whiteboards (perhaps in pairs).
Presentation
Mini Whiteboard
Presentation
Watch today's expert film with...
Build a Line-Tracking Robot
Watch today's mission assignment film to understand the process for building your line-tracking robot using the Twin Science Discovery set and instructions on pages 76/77 of your manual.
Twin Science Discovery set
Battery
Buzzer
USB Port
Serial LED
Splitter
Cable LED
Proximity Sensor
Motors
Connection Cable
Tape
Plastic Wheels
Swivel Wheel
Plate
Evaluate your build and understanding of the line-tracking robot by completing the Handout provided.
Quiz
With their talk partners, the children are to go through the quiz at the end of the presentation and answer the questions.
Handout
Quiz in presentation
What are robots used for in factories?
Why are robots more efficient than manual work?
Why is it important that robots are monitored by human supervisors?
How do line-tracking robots work?
What are the component parts of a line-tracking robot?
Marks given for quizzes.
Marks awarded for build of the line-tracking robot
Marks awarded for evaluation of build on Handout.
Why is a line-tracking robot useful in manufaturing?
Choral response / phrase suggestions:
A line-tracking robot is useful because...
A line-tracking robot is used for...
Such robots save time and money because...
The science behind the science
A line-tracking robot (or line-follower robot) is a mobile machine that can detect and follow a line on the floor. The path that the robot follows is generally pre-created and needs to be a contrasting colour or appearance to the rest of the surface the line is on. The robot can sense the line with infrared ray sensors that are installed underneath the robot. These work by being programmed to follow specific coded instructions. Line-tracking robots can experience some technical and mechanical problems, but they are generally reliable and help to save time.
Line-tracking robots can be used in a range of processes. For example, they are commonly used for transportation and delivery services and are also used by the military.
The robot will need the following parts to function: sensors, ACDC circuit, processor, driver, actuators, chassis and body structure. The Twin Science Discovery set will allow you to build your own line-tracking robot prototype. Check out the mission assignment film to see how you can build one!
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