NDLI: How Does an Ultrasonic Sensor Work?

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How Does an Ultrasonic Sensor Work?

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Sinha, Nishant Samarth, Pranit Nair, Satish S.
Copyright Year	2013
Description	Students learn about how ultrasonic sensors work, reinforcing the connection between this sensor and how humans, bats and dolphins estimate distance. They learn the echolocation process—sound waves transmitted, bounced back and received, with the time difference used to calculate the distance of objects. Students learn about how ultrasonic sensors work, reinforcing the connection between this sensor and how humans, bats and dolphins estimate distance. They learn the echolocation process—sound waves transmitted, bounced back and received, with the time difference used to calculate the distance of objects. Two mini-activities, which use LEGO® MINDSTORMS® EV3 robots and ultrasonic sensors, give students a chance to experiment with ultrasonic sensors in preparation for the associated activity. A PowerPoint® presentation explains stimulus-to-response pathways, sensor fundamentals, and details about the LEGO ultrasonic sensor. Pre/post quizzes are provided. This lesson and its associated activity enable students to gain a deeper understanding of how robots can take sensor input and use it to make decisions via programming.
Language	English
Access Restriction	Open
Rights Holder	Regents of The University of Colorado Curators of The University of Missouri
Subject Keyword	Biology Computer Science Life Science Science and Technology Echolocation Neuroscience Human Body Sound Wave Brain Ultrasonic Ultrasonic Sensor Robot Vision Radar Programming
Content Type	Text
Time Required	PT45M
Education Level	Class IV Class V Class VI Class VII Class VIII
Resource Type	Notes
Subject	Biology Technical Computer Science and Information Technology

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