Understanding Sources of Light and Reflection

Exploring the concept of light sources and reflection, the article delves into how light is created by various objects like the sun, light bulbs, and fires. It explains the difference between sources of light and objects that reflect light, such as shiny metal surfaces. The reader is encouraged to identify examples of shiny objects, understand why smooth surfaces reflect light, and differentiate between sources of light and reflections from objects like mirrors, candles, and fires.

• Light sources
• Reflection
• Shiny objects
• Sunlight
• Understanding reflection

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Uploaded on Sep 29, 2024 | 0 Views

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Presentation Transcript

1. Light Light Shiny objects and sources of light

2. Do you remember that you need a source of light to see things? Sources of light are things that create light. Like the sun, a light bulb, or a fire.

3. Some things sometimes look like they are a source of light, but really the light is coming from somewhere else. Where is the light coming from in this photo? Is the sea a source of light? NO! The light is coming from the sun! The light is reflecting off the sea.

4. Things that reflect light back are not sources of light. We say they are shining. A lot of metal things are shiny. Can you think of a shiny metal object that reflects light?

5. If you have metal taps and you keep them clean, they will usually be very shiny Image by Son of Robert Creative Commons Licence Flickr

6. Things that are smooth will reflect the light back in the same direction. That s why you can see your face in the mirror but not in the sea. Can you think of a time when you can see your face in water?

7. Now that youre an expert on sources of light... Are CDs sources of light, or are they shiny? Image by Artnow314 Creative Commons Licence Flickr

8. Is a candle a source of light, or is it reflecting light?

9. Is a mirror a source of light, or is it reflecting light?

10. Is a fire a source of light, or is it reflecting light?

11. Is tin foil a source of light, or is it reflecting light?

12. Is the sun a source of light, or is it reflecting light?

13. What about the moon? Is the moon a source of light?

14. See if you can spot some shiny objects in your house.