Recursos educativos wave página 4

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True/False. Groups of waves on the electromagnetic spectrum
EduBook Organización
1983 visitas
Answer true or false: All electromagnetic waves can be seen. Ultraviolet rays have more energy than visible light. Ultraviolet rays have more energy than gamma rays. The different colours of visible…
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Microwaves
Tiching explorer Organización
1767 visitas
This simulation explains how the microwave oven works. We can adjust the frequency or amplitude of microwaves and watch water molecules rotating and bouncing around. We can either view the microwave…
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True/False. Waves and oscillations
EduBook Organización
1676 visitas
Answer true or false: Waves transport matter and energy. Electromagnetic waves do not need a natural medium to travel through. A wave is the transmission of an oscillatory or vibratory motion and of…
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Sound
EduBook Organización
2294 visitas
6.1. What is sound? Sound is the propagation of vibrations and energy in a straight line and in all directions. It travels from the source of sound to the receptors. Unlike light, sound needs a material…
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Domestic migration in the 1960S
EduBook Organización
2030 visitas
The migration of the Spanish population from rural areas to industrial regions was partly due to an increase in the population and a shortage of farmland. Day labourers were the first to migrate, as…
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Light, shadow and penumbra
EduBook Organización
1991 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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Unit 12: Waves. Light and sound
EduBook Organización
1971 visitas
Amplitude (n): the distance between a crest or a trough and the equilibrium position of a wave. converging lens (n): a lens which concentrates the light which passes through it. deafness (n): not being…
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Summaries - Waves. Light and sound
EduBook Organización
1873 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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The nature of light
EduBook Organización
1613 visitas
2.1. What is light? Light has an undulatory nature; this means it is made up of waves. Visible light (that can be seen by the human eye) belongs to a larger group of waves called electromagnetic waves.…
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Past simple or past continuous?
EduBook Organización
1372 visitas
Complete the following sentences using either the Past Simple or Past Continuous. Use the verbs in brackets. While the ship to London, there a storm. (go/be) Robinson the ship go down while they in the…
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