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Bellwork

Bellwork. Clear everything from desk except: P / P Vocab. Notebooks Label the next entry “Light Vocabulary” Go to the page that you will be taping your vocabulary sheet to and write down as many sources of light that you can think of, on your OWN!. Light. Vocabulary.

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Bellwork

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  1. Bellwork Clear everything from desk except: • P / P • Vocab. Notebooks Label the next entry “Light Vocabulary” Go to the page that you will be taping your vocabulary sheet to and write down as many sources of light that you can think of, on your OWN!

  2. Light Vocabulary

  3. Electromagnetic Spectrum – a group of waves that includes: • Radio Waves • Microwaves • Infrared Light • Visible Light • Ultra Violet Light • X-Rays • Gamma Rays

  4. (Visible) Light – is the part of the electromagnetic spectrum that can be seen by the human eye

  5. Transmission – the movement of light waves from one place to another • A medium is not needed for light waves to be transmitted light traveling through space from the Sun to Earth Remember…“trans” means across Example:

  6. Prism - tool used to split white light into different wavelengths (colors) ed range ellow reen lue ndigo iolet

  7. Refraction – a change in direction (bending) of a light wave due to a change in its’ speed

  8. Reflection – a change in direction of a light wave due to an obstruction, this gives objects “color”

  9. Color – what we visually see (the absorbed wavelengths of light)

  10. Absorption – when an object takes in wavelengths of light, what is reflected is what we see as color

  11. Scattering – the spreading of light in all directions due to reflection and absorption

  12. Transparent – when an object allows most all light through it

  13. Translucent – when an object allows some light through it and spreads out the rest

  14. Opaque – when an object does not allow any light to pass through it because they reflect and/or absorb the light

  15. The Electromagnetic Spectrum Song

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