| Method |
Precise Learning Objective |
Linked |
Question / Activity
(Designed for maximum working out) |
Stepping Stones |
Pitstop Check
(Thinking Map) |
| D |
Echoes are just the reflection of a sound wave with an big enough time delay, such that your brain separates the sound into two distinct events. |
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What is an echo? |
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| D |
Measuring the speed of sound (using echoes). |
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Starting pistol and flag or
Clapper board / trays on field.
OR
http://www.nuffieldfoundation.org/practical-physics/measuring-speed-sound-using-echoes
Order trundle wheel |
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| W |
Speed = distance / time
With reflections / echoes the sound travels twice the distance of the person making the sound and the wall. |
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What is the equation to calculate speed? To set up the task:
https://www.youtube.com/watch?v=7YmuOD5X4L8
To explain:
https://www.youtube.com/watch?v=bJj4Wjjf0WI |
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