Bending Light – Reflection

Doblando la luz Reflexión

 

WHAT REFLECTS LIGHT? CAN YOU FIND A RULE TO PREDICT THE PATH OF REFLECTED LIGHT?

 

This lesson has both qualitative and quantitative activities, each lasting about one hour.

MATERIALS (Details in Teacher Notes linked below)

Activity 1 – Warm-Up

  1. None required

Activity 2 and 3 – Does a Tennis Ball Reflect Light?

  1. Small rough textured white ball like a tennis ball or small styrofoam ball

  2. Flashlight

  3. Piece of thin red balloon l (or a source of red light like a finger LED)

Activity 4 – What Reflects Light?

  1. Assortment of objects such as finished and unfinished wood samples, plastic or metal spoons, paper, cardboard, etc  

Activity 5 – Reflection Rule (Law of Reflection)

  1. Printed protractors

  2. Small mirrors that can be made to stand vertical. We use plastic mirrors taped or glued to wood or plastic blocks or a open CD jewel case lined with black paper 

OPTIONAL ACTIVITIES:  Who can see the teddy?, Where does the image form? Laser target shoot,  Giant classroom kaleidoscope,  Images formed by two mirrors. See teacher notes for details.

STUDENT INSTRUCTIONS AND TEACHER NOTES

PowerPoint slides with student instructions Bending_Light-Reflection_Slides.pptx.zip


Presentaciones de PowerPoint con instrucciones para estudiantes Doblando la luz Reflexión.pptx.zipl

Teacher background notes  Bending_Light-Reflection_Teacher_Notes.pdf

Handout for recording observations and data Reflection_Observations.pdf  

Video showing a laser target shoot game (you can use open CD cases standing vertically instead of mirrors)

Laser target shoot Exploration