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True/False. Light, shadow and penumbra
EduBook Organización
- 4066 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
- 3704 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
- 3643 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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Calculate. The nature of light (3)
EduBook Organización
- 3397 visitas
Light from the Sun takes 8 minutes to reach the Earth. If you know the speed of light in space, what is the distance between the Earth and the Sun? There is a distance of ×10 kilometers between the Sun…
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End-of-unit evaluation - Light and sound
EduBook Organización
- 3263 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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End-of-unit activities - Light and sound
EduBook Organización
- 3152 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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Unit 12: Waves. Light and sound
EduBook Organización
- 3030 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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Plants need light and water to grow
Tiching explorer Organización
- 1 lo usan
- 6521 visitas
This resource shows us the factors affecting plant growth. We label the parts of a plant.
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Calculate. The nature of light (1)
EduBook Organización
- 2824 visitas
Calculate how far light travels in air in 20 s. In 20 s, light will travel .
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Think about it. Light and colours
EduBook Organización
- 2817 visitas
Remember what you have studied in this section and answer the questions: Why is snow white, coal black and grass green? → ...is... because it reflects... and absorbs... If light from the Sun can be…
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