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Learn. Some optical instruments - Waves. Light and sound
EduBook Organización
- 2514 visitas
Some optical instruments Most optical instruments, like microscopes or telescopes, consist of lenses, mirrors and prisms. Lenses Lenses are disc-shaped, and one or both sides are curved. They are made…
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Final Autoevaluation T12 04 - Waves. Light and sound
EduBook Organización
- 2386 visitas
Answer the following questions: Why does sound not propagate in space? Why does sound reach its highest speed in solid media? What is pitch? And timbre?
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Final Autoevaluation T12 03 - Waves. Light and sound
EduBook Organización
- 2226 visitas
Answer these questions: What is sound? What are the characteristics of sound? At what speed does sound travel through the air?
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3r concurs d'animacions per la pau / Sound people
Xtec Organización
- 2164 visitas
Vídeo guanyador de la categoria curtmetratge júnior del 3r Concurs d'animacions per la pau. Autor: Jean-Luc Slock, Camera-etc (Bèlgica). Amb aquest concurs, sota el lema 'Camins de pau:…
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FInal Autoevaluation T12 05 - Waves. Light and sound
EduBook Organización
- 2127 visitas
Make calculations and answer the questions: A robot sent a signal at the speed of light from the planet Mars. It took 3 minutes to reach Earth. How far away is Mars? d = million kilometres A sound is…
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Interactive sound rouler: How loud is too loud?
Maria Pallarés Docente
- 1 lo usan
- 2325 visitas
Many noises that are part of our daily lives can damage hearing. Students can use this interactive sound rouler to discover what’s safe and what’s not.
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Final Autoevaluation T12 07 - Waves. Light and sound
EduBook Organización
- 1947 visitas
Answer: Name the primary colours. What are the primary colours of pigments? What color is obtained by mixing the colour red with green? What colour is obtained by mixing the colour magenta and cyan?
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Final Autoevaluation T12 02 - Waves. Light and sound
EduBook Organización
- 1931 visitas
Answer these questions: What is the phenomenon of reflection of light? And refraction? Why do we see the grass as green or a red apple?
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Final Autoevaluation T12 02 - Waves. Light and sound
EduBook Organización
- 1847 visitas
Match the definitions to the concepts: This happens when light rays bend as they pass through a transparent medium. They then pass to a different medium that is also transparent. This is an effect by…
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Final Autoevaluation T12 06 - Waves. Light and sound
EduBook Organización
- 1754 visitas
A train that is 2km away whistles. How long does the sound take to reach our ears through the air? And through a steel railway track? t = segundos.