Friday, May 22

Per 1 - start review packet - due next Wednesday.

Students who were absent today must get a review packet on Tuesday and finish it for Wednesday.

Per 2 - Light, Optics, Electricity video. start review packet - due next Wednesday.

The video worksheet is below. Students who were absent can research the material and get the answers on their own.

Students who were absent today must also get a review packet on Tuesday and finish it for Wednesday.

Light-Optics-Electricity Video Worksheet

ELEMENTS OF PHYSICS

LIGHT: OPTICS AND ELECTRICITY

Name ____________________

Post-Test

Vocabulary

Directions: Fill in the blank with the appropriate term from the list below.

concave frequency light-year reflection

conductor gamma microwave refraction

convex insulator optics television

electromagnetic lens photons telescope

focus light radio visible

1. The point at which light rays intersect when they are reflected off a concave mirror is called the ____________.

2. The ____________ spectrum consists of bands of waves that have different wavelengths and frequencies.

3. Radar uses electromagnetic waves called ___________________.

4. The distance light travels in one year is called a ____________.

True or False

Directions: Fill in the blank with True or False. If the statement is false, change it to make the statement

true. Rewrite the true statement in the space provided.

5. __________ Lenses can only converge light.

6. __________ The electromagnetic spectrum can never be used for telecommunications.

7. __________ The study of optics deals with light and vision.

8. __________ Radio and gamma waves are the same.

9. __________ Conductors stop the flow of electricity.

Essay Section

Directions: Answer the following questions in complete sentences. Use the back of this page or a separate sheet of paper if you need more space to complete your answer.

10. Explain why objects appear to be broken at the boundary where two mediums meet.

11. Describe how modern physics explains light.

12. Why did Einstein believe that the speed of light was one of the fundamentals of the universe?