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Waves (D1.1 Waves Transfer Energy (Forces and Waves (a force is required…
Waves
D1.1 Waves Transfer Energy
A wave is a distrubance
Wave
a disturbance that transfers energy from one place to another
Forces and Waves
a force is required to change the motion of an object
forces can start a disturbance sending a wave through a material
Rope Wave
a force to the rope by flicking it upward and another force when it snaps down
Water Wave
Force is required to start a wave
force of finger touching water and force of water rushing back forms waves
Earthquake Wave
Earthquake: a sudden release of energy that has build up in rock as a result of the surrounding rock pushing and pulling on it
When the forces cause the rock to break away and move, the energy is transferred as a wave through the ground
Materials and Waves
waves move through materials
Medium
any substance a wave moves through
Mechanical Waves
waves that transfer energy through matter
Energy and Waves
in an earthquake, waves can travel kilometers away from the source, the kinetic energy travels
Waves can be classified by how they move
some waves transfer an up-and-down or side-to-side motion pr forward-and-backward motion
Transverse Waves
the direction in which the wave travels is perpendicular, or at right angles, toward the direction of the disturbance
Longitudinal Waves
the wave travels in the same direction as the disturbance
D1.2 Waves Have Measurable Properties
D1.3 Waves Behave in Predictable Ways