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Heat, light and sound
EduBook Organización
- 5922 visitas
Heat, light and sound are all around us. We can feel heat from the Sun in the summer and from a radiator in the winter. We need light to see people and objects. We get light from the Sun during the day…
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Light and sound
EduBook Organización
- 1 lo usan
- 4259 visitas
We perceive most of the things around us because we can see or hear them. Most objects do not have their own light. We see them because they are illuminated by light from natural and artificial sources,…
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Summaries - Light and sound
EduBook Organización
- 4015 visitas
1. Light Light is a form of energy. Light sources produce light. There are two types of light: natural light sources, like the Sun and artificial light sources, like light bulbs. Light waves travel in…
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Complete. Light and shade
EduBook Organización
- 3744 visitas
Complete the text. Light is a that propagates in a line in all directions. We can experiment with the production of using a light source and an extended light source. In a point light source, we see…
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Check. Light and colours
EduBook Organización
- 3540 visitas
Remember what you have studied in this section and answer the questions: What are the three primary colours of light? Why are they called this? What are the three primary colours of pigments? What do we…
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Classify. Sources of light
EduBook Organización
- 3513 visitas
Classify these sources of light into natural or artificial and primary or secondary: The Moon → → A light bulb → → The Sun → → Lightening in a thunderstorm → → The surface of a mirror…
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Light Terms: Matching
Tiching explorer Organización
- 1 lo usan
- 2878 visitas
In this worksheet we have to match specific vocabulary about light and waves (e.g. amplitude, crest, spectrum, refract, laser, etc...) with their definitions.
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Light and colours
EduBook Organización
- 3232 visitas
5.1. The composition of white light White light is actually made up of many colours. We can see this if we pass white light through an optical prism (figure 1). 5.2. The colours of objects When white…
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Light box experiment
Tiching explorer Organización
- 1 lo usan
- 5595 visitas
In this resource we see how light behaves when a mirror is placed in the path of a light ray at different angles.
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Light, shadow and penumbra
EduBook Organización
- 2841 visitas
3.1. Linear propagation of light Light is an electromagnetic wave that propagates in a straight line in all directions. Each of the directions that light propagates in is called a ray. This phenomenon…
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