SONAR

The main presentation is a PowerPoint with animated sequences showing how SONAR uses ultrasound to detect objects underwater.

Support Material
Readme (instructions for whole lesson)
Learning Outcomes (PowerPoint)
Starter Activity (PowerPoint and Worksheet)
Main Activity (PowerPoint with worksheets and answer sheets)
Lesson Notes (hand-out)
Plenary Activity (PowerPoint and worksheet)

It is intended for all science teachers but particularly those who are not physics specialists. It is, primarily, aimed at 14 to 16 year old pupils but can also be used at a higher level as a precursor to a more in-depth study of this topic.

If you buy this resource, please print the Readme document as it contains the instructions and details of the files included.

Learning Outcomes
The learning outcomes are based on Bloom’s taxonomy of hierarchical classification: knowledge, comprehension, application, analysis, synthesis and evaluation. The lesson title and learning outcomes are:

How can objects be detected underwater?
Learning Outcomes
Knowledge

• to describe how echoes can be used to detect objects underwater
• to name some applications of SONAR
  Comprehension
• to explain why ultrasound is used for SONAR
  Analysis
• to calculate distances based on echo delay times

Differentiation
The activities have varying degrees of differentiation; please refer to the Readme document.