Activity

Lenses: lenses bend light

Summary
Use a laser pointer and a lens to show how light is bent by the lens.
Science content
Biology: Sensing, Organ Systems (4, 5, 6)
Physics: Light and Sound (1)
Lessons activity is in
Materials
  • Laser pointer, or other focused light source
  • Curved lens that clearly shows the laser beam bending
Procedure

Hold the laser pointer up to the lens, and show how the light bends as it emerges from the lens.
The lens in our eye does the same thing, to project light from what we are looking at onto the back of our eye.

Grades taught
Gr K
Gr 1
Gr 2
Gr 4
Teaching site
Gordon Elementary Science Club
ingridscience afterschool