Finding the Size of the Sun and Moon

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In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon. Learners will use the pinhole viewer to measure the size of the Sun and the Moon. This activity can also be used to demonstrate how cameras work in a basic sense.

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
30 to 45 minutes
Estimated Materials Cost:
$1 - $5 per student
Age Range:
Ages 6 - 14
Resource Type:
Activity
Language:
English

Materials List (per student)

  • 1 sheet of cardboard
  • 1 sheet of white paper
  • 1 piece of aluminum foil approximately 1 x 1 -inch (3 x 3 centimeters).
  • 1 pin or sharp point
  • 1 roll of tape
  • 1 pair of scissors
  • 1 ruler
  • 1 candle

Keywords

Subjects

  • Earth and Space Science
    • Astronomy
    • Solar System
      • The Sun
      • The Moon
  • Mathematics
    • Algebra
    • Measurement
      • Circles
  • Engineering and Technology
    • Technology
  • Physical Sciences
    • Vibration and Waves
      • Light and Optics
    • Light and Optics
      • Reflection and Refraction
      • Sunlight and Color
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations

Informal Categories

  • Outdoor Activity
  • Photography and Film/Video

Audience

To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other

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Access Rights:

  • Free access

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