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Exploring Optics: Telescopes and Lenses

Learn about the principles of optics with reflecting and refracting telescopes. Understand how lenses work to gather and focus light. Discover the center of the solar system and how light interacts with different mediums.

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Exploring Optics: Telescopes and Lenses

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  1. Match the scientific words to their alternative Refraction Bounce Reflection Split Dispersion Bend

  2. Optics, Lenses and Telescopes LO: To describe the difference between reflecting telescopes and refracting telescopes.

  3. Where is the centre of the Solar System?

  4. The Centre of the Solar System

  5. What do these all have in common?

  6. Using Lenses Converging Lens Bi-Concave Lens

  7. What do we know about light?

  8. A Converging Lens Focal Point

  9. Refracting Telescope Objective Lens Focus Pupil of the Eye Eyepiece

  10. Refracting Telescope Draw what happens to the light rays onto the diagram Add the following labels Gathers light and bends it into focus Incoming light is bent into a bright point Brings the bright image from the focus and magnifies it to the size of your eyes pupil

  11. Refracting Telescope Gathers light and bends it into focus Incoming light is bent into a bright point Objective Lens Focus Pupil of the Eye Brings the bright image from the focus and magnifies it to the size of your eyes pupil Eyepiece

  12. Reflective Telescope Eye piece

  13. The two types of telescope Refractive Telescope Reflective Telescope

  14. Working out the Focus FOCUS F focal length (f)

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