Energy · JHS3 Science

Lesson notes

Indicator: B9.4.1.2.2 - Describe how images are formed in cameras.

By the end of the lesson, learners can:

Identify and name the main parts of a simple camera (lens, aperture, shutter, dark box) and state the function of each part.
Describe, in their own words, how light rays from an object enter a camera and form an inverted image on the screen or film.
Construct a simple pinhole camera model using locally available materials and demonstrate that it forms an inverted, real image.
Explain the difference between a pinhole camera and a lens camera in terms of how each forms an image.
Relate the formation of images in a camera to the earlier concept of light travelling in straight lines.

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Strand: Forces and Energy (Strand 4)
Sub-strand: Energy (4.1)
Content standard: B9.4.1.2 - Demonstrate understanding in and the capability to do calculations involving energy.
Indicator: B9.4.1.2.2 - Describe how images are formed in cameras.
Suggested placement: Term 2, Week 7 (Week 19 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Science, Common Core Programme (JHS1-JHS3), 2023, p. 108
Transcribed from the official NaCCA publication. Check this page against the source.

1. Create a model of a camera and describe how it works to form an image.