Pre-Assessment.

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Presentation transcript:

Pre-Assessment

Wave Building Blocks 5.1.2 Pulses

Definitions PULSE - a single vibratory disturbance Transmits ENERGY but not MASS   AMPLITUDE - height above equilibrium and directly related to ENERGY. MEDIUM - a continuum of particles of the same type that stores and releases energy. As a pulse travels in a medium it… DOES NOT LOSE SPEED LOSES AMPLITUDE (ENERGY) from friction

Phenomenon #1 - Reflection Fixed Point Floating Point before before after after

Changing Mediums Fast  Slow Slow  Fast If a pulse changes mediums it… MAY CHANGE SPEED MAY CHANGE AMPLITUDE PARTLY REFLECTS before before after after

Building a Model of Wave Interference using slinky* Pulses, Reflection, Interference

Summary of Phenomenon #2 - Interference Constructive Destructive

Choice 3

Choice 2

Choice 1

Predictions based on our model*

One minute to prepare You will need: - A whiteboard - A marker - An eraser

Choice 4

Summary Takeaways Relating it back to real life (Noise cancelling headphones)

Homework Watch video online (Wave Basics – APlusPhysics)