DAY 73

Goals

observe that light can only be seen when it bounces off an object

classify objects according to how they interact with light into the categories transparent and opaque

Warm-Up

Answer in complete sentences

1. Think: can you see a light beam as it travels?
2. What light can you see in this room now?
3. Can you actually see the light traveling from the projector to the wall?

CLASSWORK

1. Quiz

2. Lesson

a. take notes on the new terms

b. draw pictures showing incident ray, reflected ray, normal line.

c. draw the house, person, sun, dog from slide 14. Draw an incident ray from the sun, and show how light travels to allow the person to see the house.

d. explain in detail why Timmy's explanation is incorrect.

Slideshow LINK

Homework:

1. If needed complete the Lesson from above. I'll be checking it tomorrow.
2. Review the phet for color --> LINK
3. Using the Phet, how do you create the color white?
4. How do you create yellow?
5. What about black?