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Summaries - Waves. Light and sound
EduBook Organización
- 2754 visitas
1. Waves An oscillatory or vibratory motion takes place around a central position. It produces the same amount of movement on both sides of this position. A wave is the transmission of an oscillatory or…
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Answer. Light, shadow and penumbra
EduBook Organización
- 2383 visitas
Remember what you have studied in this section and answer the questions: What is a light ray? Light gives off energy. Give an example of something that shows this.
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Science Please! / The light bulb
Xtec Organización
- 1688 visitas
Sèrie de dibuixos animats en anlgès on en cada capítol (d'un minut de durada) s'expliquen fets científics. En aquest capítol s'explica com va nèixer i com funciona la bombeta de llum.
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Before you start - Waves. Light and sound
EduBook Organización
- 9423 visitas
Perhaps you have seen one of the latest 3D films at the cinema with spectacular light and sound effects. But have you ever wondered what light is? Which mechanisms do we use to see objects and colours?…
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How to break the speed of light
Rodrigo Barroso Docente
- 3 lo usan
- 4989 visitas
You can break the speed of light in your back yard! (but don't worry, Einstein is still right) Tweet it - http://bit.ly/rOv00A Facebook it - http://on.fb.me/...
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Learn. Eclipses - Waves. Light and sound
EduBook Organización
- 4409 visitas
Eclipses Since ancient times we have known what happens when the Moon or the Sun is hidden. This effect is called an eclipse. Eclipses of the moon This happens when the Earth moves between the Sun and…
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Calculate. The nature of light (2)
EduBook Organización
- 4081 visitas
Calculate how long it takes for solar light reflected by the Moon to reach the Earth. There is a distance of 384000 km between the Earth and the Moon. It will take s.
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True/False. Light, shadow and penumbra
EduBook Organización
- 3928 visitas
Answer true or false: Each of the directions that light propagates in is called a ray. The shadow proves the existence of rectilinear propagation of light. There is no difference between the shadows…
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Joves creadors / Some light inside a nightmare
Xtec Organización
- 3637 visitas
El Departament d'Educació de la Generalitat de Catalunya i Panasonic Espanya han impulsat durant el curs 2007-2008 el concurs *Joves Reporters*, el principal objectiu del qual ha estat difondre el…
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Think about it. Light, shadow and penumbra
EduBook Organización
- 3529 visitas
Remember what you have studied in this section and answer the questions: With a classmate, explain the difference between shadow and penumbra. What is the difference between an eclipse of the Sun and…
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