Bring it into Focus

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In this activity (page 2 of PDF), learners play with a lens and a piece of paper to focus an image on the paper. Learners look at different things, and see how the lenses affect the image. The "Going Further" section includes some background info about how this lens is similar to how a camera lens works, and how our eye works. The fact that the image is upside down is compensated in our eye by our brain! [Activity is publicly available through a web crawler capture on Archive.org.]

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
5 to 10 minutes
Estimated Materials Cost:
1 cent - $1 per student
Age Range:
Ages 4 - 11
Resource Types:
Activity, Model
Language:
English

Materials List (per student)

  • White paper
  • Magnifying glass
  • Sunny weather

Keywords

Subjects

  • Engineering and Technology
    • Technology
      • Information and Communication
  • Life Sciences
    • Human Senses and Perception
      • Vision
  • Physical Sciences
    • Vibration and Waves
    • Light and Optics
      • Lenses and Mirrors

Informal Categories

  • Outdoor Activity
  • Photography and Film/Video

Audience

To use this activity, learners need to:

  • see

Learning styles supported:

  • Involves hands-on or lab activities

Other

Includes alignment to state and/or national standards:

Access Rights:

  • Free access

By:

Rights:

Funding Source:

  • National Science Foundation, ESI-0206403