Chapter 2: Section 2 Visible light and Color

Slides:

Advertisements

Similar presentations

Light (or the ELECTROMAGNETIC SPECTRUM)

Advertisements

COLOR and Light February 6, 2014.

Light & APPLICATIONS OF Optics

EQ: How does light interact with matter?

Bellringer Give the number and unit for the speed at which all Electromagnetic waves travel in both long form and scientific notation.

The Colour of Light & The Colour of Objects. Colour by Addition Sir Isaac Newton first discovered that visible (white) light was made up of many colours.

2.2 Visible Light and Color 7.6.e Students know that white light is a mixture of many wavelengths (colors) and that the retinal cells react differently.

Light and Color. Light interacting with matter When light hits matter, at least one of three things can happen: – Reflection When light bounces off an.

Visible Light and Color

CP Physics Mr. Miller. General Information  Sir Isaac Newton – first to realize white light composed of different colors  Prisms – separate white light.

Vocabulary Mini-Review EM Spectrum & Light. What part of the EM spectrum is used for communication? Radio Waves.

This student is looking at many colors on his computer screen

SNC2D. Primary LIGHT colours are red, green, and blue SECONDARY light colours are created by combining only two of the three primary colours of light.

1 Light. 2 Visible Light Wavelengths range from 400 nm to 700 nm Longest wavelength = red Shortest wavelength = violet 1 nm = 1 x m.

And Elvis said ……… ……Let there be Light The Visible Spectrum.

What title would you give to each droodle?. Almost bald man with a split-end.

COLOR Chapter 14, Section 4 Pg Pigment Colors Mixing color of pigment (i.e.) paints is different than mixing colors of light. Mixing color of.

Light & Color What happens to the light that strikes an object? What determines the color of opaque, transparent & translucent object? How is mixing pigments.

Light and color.

Ch. 4, Sect 1 Notes Light and Color Week 8. When Light Strikes an Object  When light strikes an object, the light can be ___ REFLECTED ___, ___ TRANSMITTED.

Color and Vision General Physics. Band of Visible Light ROYGBIV (Red, Orange, Yellow, Green, Blue, Indigo, Violet)

INTRO TO LIGHT. Learning Scale 4 – Design an experiment to show how waves move at different speeds through different materials. 3 – Explain why waves.

Light waves and their properties Page 104 chpt 4 book O.

18.1 Light and Color Pg

Light and Color Section 4. Light and Matter When light strikes any matter it can interact with matter in 3 different ways: It can be: reflected, absorbed.

Now let’s focus on… The visible spectrum The visible spectrum –Light and pigment.

Aim: Explain the difference between primary, secondary and complementary colors of light as well as pigments ? OBJ: Given notes and activity sheet SWBAT.

Learning Objectives :To explain how we see different colors. Key Words : absorbed, reflected, transmitted, diffraction.

Light and Color. Light interacting with matter When light hits matter, at least one of three things can happen: Reflection When light bounces off an object.

Wave Model of Light – Explains most properties of light – Uses both light and waves to transfer energy, and they both go outward in all directions from.

IPC Notes Light & Color. The colors of light that we see are the colors of light that an object reflects towards our eyes. ex) blue jeans absorb all colors.

Colors of Pigment The primary colors of pigment are magenta, cyan, and yellow. [

Lesson 2. Review - Energy in a Wave A wave is a disturbance that transfers energy from one point to another without transferring matter. In a water wave,

Objects can absorb some colours and reflect or transmit others.

10.1 Wave model of light Colour Theory. Wave Model of light Remember: Light waves transfer energy Light moves outward in all directions from its source.

Light and Color Light. When light strikes an object, the light can be reflected, transmitted, or absorbed. Think about a pair of sunglasses. What Determines.

Light & Electromagnetic Radiation Ch. 19. Electromagnetic Radiation Electromagnetic waves are transverse waves created by the motion of electrically charged.

Light Into Video U7oOI.

Color Chapter 28. Color Lab What colors are formed by mixing different colors of light? Consensus:

Light and Color. An objects color depends on the wavelength of light it reflects and that our eyes detect. White light is a blend of all colors. When.

SOUND AND LIGHT Chapter 3 The Nature of Light. Section 4 Light and Color.

Do Now Question: Why/how do you think we see colors? CRO Format 5/11.

Chapter 19 Light, Mirrors, and Lenses Section 1 Properties of Light Pages

Standard: Explain how the human eye sees objects and colors in terms of wavelengths What am I learning today? How are wavelengths detected by the human.

Section 4 Color.

LIGHT, COLOR, AND WAVE INTERACTION.

Color Mrs. Gergel.

The Colour of Objects: Subtractive colour theory.

Light waves interact with materials

Bell Ringer #7 Tuesday, November 14, 2017

EQ: How does light interact with matter?

18.1: Light Key concepts: What happens to the light that strikes an object? What determines the color of an opaque, transparent, or translucent object?

Unit 4 Waves Properties of Light.

How would you describe the color RED to a person who cannot see?

Two ways to discuss color 1) Addition 2) Subtraction

Light Intro Video

10/1 & 10/2 - 7th Grade Agenda Learning Objective: Learn about the primary colors of light Collect Reading & Note Taking : p.37 – 40 Stereo Microscope.

Chapter 14: Light Section 2: Light and Color

Chapter 3 – Light 3.1 Light and Color.

LIGHT AND COLOR Dispersion – white light breaks down

Light and Color Section 4.

9/30 & 10/1 - 7th Grade Agenda Learning Objective: Learn about the primary colors of light Collect Reading & Note Taking : p.39 – 40 Collect Signed Grade.

Color Highlights Unit 6.

Presentation transcript:

Chapter 2: Section 2 Visible light and Color

When light strikes an object, it is reflected, transmitted, or absorbed. Light ON Light OFF

What is reflecting light. What is absorbing light What is reflecting light? What is absorbing light? What is transmitting light?

Transparent materials transmit light Transparent materials transmit light. You can see things on the other side of the material.

Translucent materials scatter light Translucent materials scatter light. Things on the other side of the material look blurry.

Opaque material reflects or absorbs all the light that hits it Opaque material reflects or absorbs all the light that hits it. You can’t see through it.

What color does it REFLECT? What color does it ABSORB? What color is the apple? What color does it REFLECT? What color does it ABSORB?

The color of an opaque object is the color of the light it REFLECTS.

The apple only looks red if it REFLECTS red light to your eye. You see…. The apple only looks red if it REFLECTS red light to your eye.

What about Black and white?

Why can’t you see well at night? There is very little light to reflect off objects and back to your eye. Only your most sensitive light-gathering cells are at work at night. What are they?

Remember yesterday’s activity! What did we investigate? What did we find out?

What is a prism? A transparent object which reflects and transmits light

Visible Light

Wavelength Red shortest Violet longest

Combining Colors- Light Key Concept: When combined in equal amounts, the three primary colors of light produce white light. Primary colors: Red, Green, Blue Secondary colors: Yellow, cyan, Magenta Add up the primary colors = ?

Combining Colors- Pigments The primary colors of pigments combine in equal amounts to form black. Primary pigments: Magenta, Cyan, Yellow Secondary pigments: red, green, and blue Add primary pigments =?