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PRIMARIA - 5º - REFLECTION - NATURAL SCIENCE
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Effects of light
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Reflection
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Reflection happens when light hits an object and bounces back.
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When light hits a smooth surface, the rays of light reflect in the same direction.
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When it hits a raw surface, the rays of light will fluctuate in different directions.
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Refraction
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Refraction happens when light changes speed and direction as it passes from one substance to another.
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The substance through which light travels is called medium.
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Some mediums cause for more refraction than others.
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For example, water slows the speed of light more than air does.
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Lenses are pieces of curved glass or plastic that refract light.
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Lenses can make objects look bigger or smaller depending on the shape of the lens
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and on the way they refract light.
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Characteristics of light
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Light have seven colors, like the rainbow.
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Red, orange, yellow, green, blue, indigo and violet.
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By Gonzalo Quintoa
00:01:47
- Autor/es:
- CEIPS SANTO DOMINGO
- Subido por:
- Cp santodomingo algete
- Licencia:
- Reconocimiento - Compartir igual
- Visualizaciones:
- 75
- Fecha:
- 7 de noviembre de 2018 - 10:22
- Visibilidad:
- Público
- Centro:
- CP INF-PRI SANTO DOMINGO
- Duración:
- 02′
- Relación de aspecto:
- 1.78:1
- Resolución:
- 1280x720 píxeles
- Tamaño:
- 20.70 MBytes