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Song: Hello, hello
Tiching explorer Organización
- 3298 visitas
Activity designed to help us talk about abilities ("can"). It contains a song (MP3 file) and flashcards (PDF files) to use as visual aids. We practice vocabulary related to actions (clap,…
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True/False. Waves and oscillations
EduBook Organización
- 2135 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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Microwaves
Tiching explorer Organización
- 2149 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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Unit 12: Waves. Light and sound
EduBook Organización
- 2776 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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Light, shadow and penumbra
EduBook Organización
- 2737 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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Domestic migration in the 1960S
EduBook Organización
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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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Summaries - Waves. Light and sound
EduBook Organización
- 2502 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
- 2265 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
- 1824 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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