Monday, March 23rd Entry Task Quietly work on 17.2 RSG Schedule: 17.3 The sun is the source of most visible light Objective: I will explain how visible light is produced. Homework: Read pages 573-579 Please have on Desk: EM booklet

Visible Light Notes Sun (Natural Light) Uses Heat to create EM Energy INCANDESCENCE

Visible Light Notes Incandescent bulb Uses electricity to create heat, which creates visible light Lamps; Overhead lights

Visible Light Notes Lamps; Overhead lights Fluorescent bulb Gas inside of bulb responds to electricity by creating U.V. Light; Special coating absorbs U.V. Light and give off visible light. More energy efficient than incandescent.

Visible Light Notes Overhead projectors; Car headlights; large spotlights Halogen Bulbs Uses electricity to create heat which produces visible light (A form of Incandescent light). More heat than incandescent bulb, but filament lasts longer.

Visible Light Notes Type of gas determines color of light. Neon Bulbs. Gas inside of tube (like neon or argon) responds to electricity by creating visible light Type of gas determines color of light. Art; signs

Visible Light Notes LED Bulbs Uses electricity to produces light (NO HEAT CREATED) Light is less intense than other forms, so multiple bulbs are often used. Christmas lights; Stop Lights

Visible Light Notes Bioluminescent Uses chemicals reactions inside animals to produce light To see, mate or warn/hunt

Tuesday, March 24th Entry Task Clear EVERYTHING from your table except your pencil Schedule: 17.4 Light waves interact with materials Objective: I will describe how the wave behavior of light affects what we see. Homework Chapter 17 in your journal up-to-date Please have on Desk: pencil

Visible Light behaviors Find and Define the following Terms (make sure to use LIGHT in each definition) Absorption Transmission Reflection Give 2 examples of each of these behaviors using items in the classroom.

Possible Answer Absorption – Light hits material and disappears (changes into another form of energy): Desk, Book Cart, Chairs Transmission – Light hits material and goes through it: Windows, Plastic Bins, Soap Bottle, Air Reflection – Light hits material and bounces off: Book, White Paper, American Flag

Visible Light Behaviors Read pg 574 Define the following and give examples from this room: Transparent Translucent Opaque

Possible Answer Transparent – all/most light passes (transmits) through them Translucent – some light passes through(transmits), some reflected or absorbed Opaque – all/most light is absorbed or reflected

Wednesday, March 25th Entry Task Journal open to 17.4 notes Schedule: Continuous and Line Spectra lab Objective: I can observe and draw the line spectra of different forms of light Homework Spectroscope activity if not finished in class. Please Have on Desk: Journal open to 17.4 notes

Thursday, March 26th Entry Task Spectroscope activity on your desk please Schedule: 17.4 Light and Color Objective: I will explain how the wave behavior of light affects what I see Homework Complete the activity handout if not finished in class. Please Have on Desk: journal, textbook, sharpened pencil

Friday, March 27th Entry Task Open your book to page 573 and start working quietly on the 17.4 RSG. Schedule: Electromagnetic Waves summary Objective: I will review light, color, and the Chapter 17 vocabulary Homework: Complete the crossword puzzle if not finished in class. Please have on desk: Textbook, RSG, pencil