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Recursos educativos
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Nivel educativo
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Competencias
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Tipología
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Tipo de medio
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Tipo de actividad
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Tipo de audiencia
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Think about it. Sound
EduBook Organización
- 2034 visitas
Remember what you have studied in this section and answer the questions: Why do we say that sound transports energy? What kind of energy is it? If we put our ear close to a railway track, we know that a…
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The reflection of sound
EduBook Organización
- 2341 visitas
7.1. Reflection of sound Sound is transmitted in a straight line. When it meets obstacles that it cannot cross, like a wall or a rock, it is reflected back in the other direction. Two phenomena caused…
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Vocabulary check
EduBook Organización
- 1722 visitas
Choose the correct word from the stories to complete each sentence. Red Chief used a N to shoot Bill in the back of the ear. I have to take my temperature. Is there a H? A policeman must always wear a E…
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Frases en ingles y español. (188) Pronunciación lenta y fácil.
Crm Gvs Docente
- 1 lo usan
- 1134 visitas
Aprender ingles basico. Ingles para principiantes. Frases adecuadas ayudan a cabo en cualquier situación. Estas frases que son seguros para satisfacer en un discurso. Debe ser fácilmente percibido por…