8: Avoiding Objects

Using the Ultrasonic Sensor - Tentative abstract and goal

This is a elementary (grades 3-6) computer science unit with related physical science (sound/acoustics) and zoology (creatures that use ultrasound in nature) goals.

Goal: Using the Quorum Programing Language and a Lego EV3 robot the learner will be able to create or complete a computer/robot program that demonstrates using ultrasonic sounds with IF and ELSE to locate/avoid objects.

Below you will find Lesson Plans and Computer Code in text and with links to download the complete projects from GitHub, Related Webpages and videos, and Handouts

Lesson Plans and Sample Computer Code

Elementary Robot Lesson 8.1

Elementary Robot Lesson 8.2

Elementary Robot Lesson 8.3

Elementary Robot Lesson 8.4

Wall Follower Robot: Complete Code

Wall Follower Robot: Student Code

Avoid Objects Solution Code 8.

8.4 Avoid Objects Student Code

Media and Additional Resources for Unit 8

Background Research

The items in this area are for use by the teacher and/or shared with the students. They provide background information on the topics.

Which Birds & Animals Produce Ultrasonic Sound? | Cuteness.comOn average, the highest pitch that the human ear can hear is about 20 kilohertz, which is 20 thousand cycles per second.

Top 7 Ultrasound Emitting AnimalsHuman ear cannot detect sounds that have frequencies lower than 20 Hz (infrasounds) or over 20 kHz (called ultrasounds). That's why some species may appe...

How Bats WorkEcholocation is the system bats use to navigate in the dark when hunting prey. Learn how the principles of echolocation work and how bats use echolocation.

How do bats echolocate and how are they adapted to this activity?

Understanding the Science Behind the Ultrasonic Distance Sensor

Ultrasound (Sonography)Current and accurate information for patients about ultrasound imaging (sonography). Learn what you might experience, how to prepare for the exam, benefits, risks and much more.

Videos

Pick and choose the videos that best meet the age and interests of your students. They make good opening or closing activities for any of the lessons while students are gathering.

Learn 360 Videos

Sensors on the Mars Rovers

Handouts, Quizzes, Printable Resources

Lesson 8.2 Follow Wall - Page 1

Lesson 8.4 Flow chart - Page 1

Lesson 8.3 Template for Flowchart symbols

Lesson 8.3 Quiz

Lesson 8.3 Flowchart for Making Toast - Page 1

Flowchart Guide ( Complete Flowchart Tutorial with Examples )Flowchart guide explaining flowchart symbols, best practices, common mistakes made when drawing flowcharts and also flowchart examples