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Think about it. The reflection of sound
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Remember what you have studied in this section and answer the questions: Explain the differences between echo and reverberation. Calculate the minimum distance that an obstacle needs to be able to…
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Self-assessment T12 01 - Light and sound
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- 1574 visitas
Are these natural light sources or artificial light sources? A fire A torch A candle A light bulb The Sun A volcano
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Self-assessment T12 03 - Light and sound
EduBook Organización
- 1422 visitas
Write the correct number next to the corresponding type of mirror: Concave mirror: picture number . Convex mirror: picture number . Flat mirror: picture number .
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Self-assessment T12 02 - Light and sound
EduBook Organización
- 1278 visitas
Match the definitions to the terms: This type of material allows some light to pass through it. This type of material does not allow light to pass through it. This type of material allows light to pass…
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Self-assessment T12 04 - Light and sound
EduBook Organización
- 1230 visitas
Write the name of the object next to its corresponding definition: glasses, telescope, binoculars, microscope This device makes small objects appear bigger: This object is useful for people who have…
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Self-assessment T12 08 - Light and sound
EduBook Organización
- 1101 visitas
Complete these sentences with the correct words: Sound is produced when objects . We perceive sound because we use our sense of . If there is no material nearby, sound does not travel. An happens when…
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Self-assessment T12 09 - Light and sound
EduBook Organización
- 1093 visitas
Can these actions reduce noise pollution in a big city? Using the car horn because there is a lot of traffic. Listening to loud music in a car. Moving industry to the outskirts of a city. Reducing the…
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Initial evaluation T12 01 - Light and sound
EduBook Organización
- 1073 visitas
Match the sentence halves: Light is... Sound is... Mirrors are... Lenses are...
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Self-assessment T12 06 - Light and sound
EduBook Organización
- 971 visitas
Write the names of the colours of white light in the correct order: yellow - indigo - blue - orange - green Red, ,,,, and purple.
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Self-assessment T12 07 - Light and sound
EduBook Organización
- 837 visitas
Are these primary colours or secondary colours? yellow blue cyan magenta red green
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