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Waves #2
Vocab for 6.P.1.1
| Term | Definition |
|---|---|
| Waves are... | moving energy |
| All waves transmit... | energy, not matter |
| MOST waves travel through... | matter |
| Waves are created when... | a source (force) creates a vibration |
| Vibrations make... | wavelike disturbances that spread out |
| Wavelength | the distance between 2 crests (peaks) of waves |
| Sound and earthquake waves move... | at different speeds, depending on the material it travels through |
| Light waves are unique because... | they can move or travel through a (vacuum) empty space. NO ATOMS OR MOLECULES NEEDED. |
| Sound is a form of... | ENERGY |
| Sound happens when... | We vibrate our vocal cords or When vibrating materials produce waves that travel through matter. |
| Earthquakes are | vibrations in the earth that release (potential energy) in massive rocks inside the earth. |
| Earthquake waves are | called SEISMIC WAVES |
| Seismograph | An instrument that records earthquake waves. Richter Scale 0-9 |
| Longitudinal Waves | Example: Sound wave (invisible slinky) Compressions, Rarefactions, and Amplitude |
| Transverse Waves | Example: ALL ELECTROMAGNETIC WAVES. They have a trough, crest, amplitude, and wavelength. |