Chapter 13: Light and Reflection

Electromagnetic Waves

NASA provides an in depth look at the electromagnetic spectrum here.

http://missionscience.nasa.gov/ems/index.html

http://missionscience.nasa.gov/ems/index.html

(Objective: Identify the components of the electromagnetic spectrum.)

NOVA’s short interactive tour of the electromagnetic spectrum.

http://www.pbs.org/wgbh/nova/physics/electromagnetic-spectrum.html

(Objective: Identify the components of the electromagnetic spectrum.)

Follow these steps to recreate Sir Frederick William Herschel’s infrared experiment of 1800.

http://coolcosmos.ipac.caltech.edu/cosmic_classroom/classroom_activities/herschel_experiment2.html

http://coolcosmos.ipac.caltech.edu/cosmic_classroom/classroom_activities/herschel_experiment2.html

(Objective: Identify the components of the electromagnetic spectrum.)

NASA’s Fermi Gamma-ray Space Telescope mission is opening up new areas of study for scientists all around the world.

http://www.nasa.gov/mission_pages/GLAST/main/index.html

http://www.nasa.gov/mission_pages/GLAST/main/index.html

(Objective: Identify the components of the electromagnetic spectrum.)

View infrared images of a variety of objects and creatures. The before and after pictures of frozen peas in liquid nitrogen are particularly striking.

http://coolcosmos.ipac.caltech.edu/image_galleries/index.html

http://coolcosmos.ipac.caltech.edu/image_galleries/index.html

(Objective: Identify the components of the electromagnetic spectrum.)

This applet allows the student to simulate how a microwave works while adjusting the frequency and amplitude of the waves.

http://phet.colorado.edu/en/simulation/microwaves

http://phet.colorado.edu/en/simulation/microwaves

(Objective: Identify the components of the electromagnetic spectrum.)

Flat Mirrors

The propereties of plane mirrors explained.

http://dev.physicslab.org/Document.aspx?doctype=3&filename=GeometricOptics_PlaneMirrors.xml

(Objective: Describe the nature of images formed by flat mirrors.)

Curved Mirrors

An interactive website using funhouse mirrors to explain the differences between convex and concave mirrors.

http://www.learner.org/teacherslab/science/light/lawslight/funhouse/index.html

http://www.learner.org/teacherslab/science/light/lawslight/funhouse/index.html

(Objective: Draw ray diagrams to find the image distance and magnification for concave and convex spherical mirrors.)

Use this tutorial to make a periscope using flat mirrors.

http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/Making_a_Periscope.html

http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/Making_a_Periscope.html

(Objective: Describe the nature of images formed by flat mirrors.)

This cross section of the Hubble Space Telescope provides a view of placement of its optical assembly, including the primary and secondary mirrors.

http://www.spacetelescope.org/videos/hubblecast53b/

(Objective: Draw ray diagrams to find the image distance and magnification for concave and convex spherical mirrors.)

A selection of videos showing different mirrors and how reflections change depending on the mirror and the movement of the person or object.

http://www.exploratorium.edu/tv/index.php?project=90

(Objective: Draw ray diagrams to find the image distance and magnification for concave and convex spherical mirrors.)

Color and Polarization

A discussion of subtractive color mixing with links to further information about color and vision concepts.

http://hyperphysics.phy-astr.gsu.edu/hbase/vision/subcol.html#c1

http://hyperphysics.phy-astr.gsu.edu/hbase/vision/subcol.html#c1

(Objective: Recognize how additive colors affect the color of light.)

An additive mixing activity that uses colored glow stick solution to create white light.

http://www.msichicago.org/online-science/activities/activity-detail/activities/three-colors-of-light-1/

http://www.msichicago.org/online-science/activities/activity-detail/activities/three-colors-of-light-1/

(Objective: Recognize how additive colors affect the color of light.)

This experiment gives students the opportunity to see how light traveling through the atmosphere changes color.

http://www.exploratorium.edu/snacks/blue_sky/

http://www.exploratorium.edu/snacks/blue_sky/

(Objective: Explain how linearly polarized light is formed and deflected.)