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
- None required
Activity 2 and 3 – Does a Tennis Ball Reflect Light?
- Small rough textured white ball like a tennis ball or small styrofoam ball
- Flashlight
- Piece of thin red balloon l (or a source of red light like a finger LED)
Activity 4 – What Reflects Light?
- Assortment of objects such as finished and unfinished wood samples, plastic or metal spoons, paper, cardboard, etc
Activity 5 – Reflection Rule (Law of Reflection)
- Printed protractors
- 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
Presentaciones de PowerPoint con instrucciones para estudiantes Doblando_la_luz-Reflexión.pptx
Teacher background notes Bending_Light-Reflection_Teacher_Notes
Handout for recording observations and data Bending_Light-Reflection_Observations
Video showing a laser target shoot game (you can use open CD cases standing vertically instead of mirrors)
Laser target shoot Exploration
