Investigating Optics

"Optics for Kids"

Grade 8 Science

Specific Expectations
-compare the properties of visible light with the properties of other types of electromagnetic radiation
- identify ways in which the characteristics of mirrors and convex and concave lenses determine their use in optical instruments
- explain the function and purpose of combinations of multiple lenses or lenses and mirrors in optical systems

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


Use the Optics for Kids web site to answer the questions.
http://www.opticalres.com/kidoptx.html

1. Light is a kind of energy called what? ____________________________________________

2. Name three other kinds of EM radiation. _________________________________________

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3. How is light different? _______________________________________________________

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4. How fast does light travel? ___________________________________________________

5. What are the straight paths of light called? ________________________________________

6. In what three ways can light be controlled? _______________________________________

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7.Define refraction. ___________________________________________________________

8. List 5 things that control light. _________________________________________________

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9. What do all lenses do? _____________________________________________________

10. Describe the difference between convex and concave lenses.________________________

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11. What are complex lenses and why are they used? ________________________________

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12. Give an example of a devise that uses a complex lens. _____________________________

13. What type of lens is a magnifying glass? ________________________________________

14. Describe how a magnifying glass makes an object look larger. _______________________

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