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Unit7LightWaves6thgr
Unit 7 Light Waves 6th grade
| Term | Definition |
|---|---|
| absorb | to take in (can cause change) |
| amplitude | the maximum height of a wave |
| emit | to give off |
| energy | the ability to make things move or change |
| frequency | the number of peaks of a wave that pass in a second |
| light | a type of wave that carries energy from one place to another, even through empty space |
| light source | an object that emits light |
| matter | anything that has mass and takes up space |
| molecule | a group of atoms joined together in a particular way |
| rate | how often or fast something happens |
| reflect | to bounce off without absorbing (no change) |
| spectrum | a range of wavelengths |
| transmit | to pass through (no change) |
| ultraviolet | a type of invisible light that is beyond violet on the spectrum |
| visualize | to form a mental picture of something that cannot be seen |
| wave | a pattern that describes how energy is carried from one place to another |
| waveform | a curved line that shows the characteristics of a wave |
| wavelength | the distance from one peak of a wave to the next |
| qualitative data | descriptions of the natural world using words |
| quantitative data | descriptions of the natural world using numbers |
| sound wave | a vibration caused by collision of particles |
| speed | how fast an object is moving |
| refract | waves bend or scatter |
| vacuum | empty space |
| medium | a solid, liquid, or gas |
| sunscreen | product used to block ultraviolet rays |
| SPF | Sun Protection Factor |
| cancer cells | cells with gene mutation caused by damage |