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Exit Slip
Q: What can cause seismic waves in the ocean?
Lets make some waves!
Wave Simulation Activity
Google "Physics Classroom Wave Simulator" and click on the "launch interactive"button.
http://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Simple-Wave-Simulator
Types of waves
Waves
Properties of waves
1. Longitudinal waves: a wave vibrating in the direction of propagation.
- Think of a slinky
- Sound waves in air are longitudinal waves.
2. Transverse waves: a wave vibrating perpendicular to the direction of its propagation.
- A ripple on a pond
Frequency
Frequency: the number of waves that pass a given point per second.
Anti-node Demo
Peak: or crest, is the point on the medium that shows the maximum amount of positive or upward displacement from the rest position.
Trough: the point on the medium that shows the maximum amount of negative or downward displacement from the rest position.
Amplitude: the maximum amount of displacement of a particle on the medium from its rest position.
Wavelength: the length of one complete wave cycle.
Node: points along the medium that appear to be standing still.
Anti-node: points that undergo the maximum displacement during each vibrational cycle of the wave.
Interactive Lab Grade 6
http://www.physicsclassroom.com/class/waves/Lesson-4/Nodes-and-Anti-nodes
What is a wave?
Definition: Waves can be described as a disturbance that travels through a medium from one location to another location.
Wave type demo
http://www.acs.psu.edu/drussell/Demos/waves/wavemotion.html
- A wave transports energy, not matter.