Investigating Optics

Light & Optics

Grade 8 Science

Overall Expectations;
- demonstrate an understanding of the properties of visible light and the properties of other types of electromagnetic radiation
- investigate the properties of visible light, including the effects of reflection and refraction, and recognize how these properties are used in optical devices
Specific Expectations
-compare the properties of visible light with the properties of other types of electromagnetic radiation
- investigate and describe the laws of reflection of visible light

  A Link to Learning web-based student learning activity     www.linktolearning.com


Reflection of Light    http://acept.la.asu.edu/PiN/rdg/reflection/reflection.shtml

1. What must an object do to be seen, if it does not emit light of its own? _____________________

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2. Name the two rays involved in reflection. ___________________________________________

3. What is Snellís Law? __________________________________________________________

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How does light bend? http://acept.la.asu.edu/PiN/mod/light/reflection/pattLight1Obj3.html

1. What is the difference between reflection and refraction? _______________________________

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What other kinds of "light" are there? 
http://acept.la.asu.edu/PiN/mod/light/colorspectrum/pattLight3Obj3.html

1. About what percentage of the electromagnetic spectrum is visible light? ___________________

After reading all the information on this page, click on the link to A Young Girl Reading.

2. Describe and explain this page. ________________________________________________

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