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Learning objects Far out lenses

TLF ID L56

Look at the Moon through a simple telescope. Adjust the focal length of two convex lenses and compare the results. Explore relationships between optical variables such as focal length, position of objective lens, convexity, image inversion and lens size. This learning object is one in a series of two learning objects. The series is also packaged as a combined learning object.



Educational details

Key learning objectives
  • Students investigate the focusing of a simple telescope.
  • Students investigate how focal lengths and separation of lenses in a telescope influence sharpness and magnification of images.
Year level

9; 10

Learning area
  • science
Strand
  • Science/Energy and change
Concept
  • Science/Simple experiments
  • Science/Astronomy
  • Science/Light
Skill
  • Analysis;
  • Application;
  • Comprehension;
  • Knowledge
Student activity
  • Interactives;
  • Experiment;
  • Analysis
Learning design
  • Experiential learning;
  • Independent learning;
  • Problem solving;
  • Visual learning

Other details

Contributors
  • Subject matter expert
  • Organisation: Australian Science Teachers Association
  • Address: Canberra ACT 2600 Australia
  • URL: http://www.asta.edu.au/
  • Technical implementer
  • Publisher
  • Date of contribution: 20 Sep 2013
  • Organisation: Education Services Australia
  • Address: Melbourne VIC 3000 Australia
  • URL: http://www.esa.edu.au/
Access profile
  • Colour independence
  • Device independence
  • Hearing independence
Learning resource type
  • Interactive Resource
Browsers
  • Microsoft Internet Explorer - minimum version: 8.0 (MS-Windows) - maximum version: 9.0 (MS-Windows)
  • Firefox - minimum version: (MS-Windows)
  • Safari - minimum version: 5.1 (MacOS)
Operating systems
  • MacOS - minimum version: 10.6
  • MS-Windows - minimum version: XP - maximum version: 7
Rights
  • © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.