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Physical Science

Physical Science. Sound and Light Name: Adam Erdman Melissa Ryan. Light travels in straight l ines u nless r eflected or refracted. Light rays hit an object and bounce off in different ways. The surface of an object has to be smooth and clean to be reflected.

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Physical Science

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  1. Physical Science Sound and Light Name: Adam Erdman Melissa Ryan

  2. Light travels in straight lines unless reflected or refracted Light rays hit an object and bounce off in different ways. The surface of an object has to be smooth and clean to be reflected. light can travel in straight lines until it hits an object .

  3. Visible light is one component of the electromagnetic spectrum • the electromagnetic spectrum is made up of various lights. • Visible light is in made up of various colors

  4. Light interacts with matter by transmission, absorption, or reflection • Light gets reflected off some objects and sometimes is absorbed

  5. Light can be reflected with mirrors • The angle of reflection is equal to the angle of incidence.

  6. Light can be refracted with lenses • If you have a concave lens the image is upside-down.

  7. Light is essential for vision • The light has to hit your eyes so you can see.

  8. Things that absorb light often transmit heat • The things that are black absorb more than white objects

  9. Sound is affected by the matter through which it travels • Sound travels through solids fastest and gases slower.

  10. Description of how sound waves travel • They travel in all directions.

  11. Sound waves have length, frequency, and amplitude • The length is from compression to compression. The frequency is how many compressions there are. The amplitude is how loud it sounds.

  12. The ear is a receptor for sound • Sound waves enter outer ear carry through the Ear drum and transmit the waves to the Brain.

  13. bibliography • http://www.lcse.umn.edu/specs/labs/images/spectrum.gif • http://image.wistatutor.com/content/feed/u80/refractionpencil.jpg • http://scienceblogs.com/startswithabang/upload/2009/04/pining_for_the_sun/prism.jpg • http://www.optics4kids.com/teachersparents/articles/images/reflectionoflight01.gif

  14. Bibliography (continued) • http://www.physics.uiowa.edu/~umallik/adventure/geo-optics/lenses.gif • http://blog.katania.be/assets/2009/04/an_eye_turning_light_into_colors1.jpg • http://www.foundmyself.com/tutorials/photoshop-tutorial-heat-waves/heat-wave1.jpg • http://media.photobucket.com/image/sound%20wave/KlipschBlogs/Palladium/SoundWave.gif

  15. Bibliography(continued) • http://www.all-science-fair-projects.com/science_fair_projects_encyclopedia/upload/e/e9/Wave.png • http://scrapetv.com/News/News%20Pages/Science/Images/the-human-ear.jpg

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