Topics from September 2017
- The Stars
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- The Stars
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- The Stars
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- The Stars
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- The Stars
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- The Stars
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- The Stars
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- The Sun
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- The Sun
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- The Sun
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- The Sun
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- The Sun
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- The Sun
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- The Planets
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- The Planets
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- The Planets
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- The Planets
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- The Planets
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- The Planets
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- The Planets
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- The Planets
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- The Planets
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- The Moon
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- The Moon
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- The Moon
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- The Moon
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- The Moon
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- The Moon
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- The Moon
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- The Moon
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- The Moon
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- The Night Sky
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- The Night Sky
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- The Night Sky
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- The Night Sky
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- The Night Sky
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- The Night Sky
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Earth
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- The Solar System
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- The Solar System
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- The Solar System
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- The Solar System
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- The Solar System
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- The Solar System
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- The Solar System
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- The Solar System
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- What are the three Laws of Motion (applicable to all bodies in the Universe) propounded by Sir Isaac Newton?
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- What are the main differences between astronomy and astrology?
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- The Universe
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- The Universe
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- The Universe
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- The Universe
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- The Universe
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- The Universe
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- What is the weight of our atmosphere?
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- What are solar flares?
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- What are the different types of mirrors?
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- What is a Theodolite?
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- What is an avalanche?
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- What is a poison?
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- What are the methods of sewage disposal?
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- How is cheese made?
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- Why do forward moving wheels sometimes appear turning backwards?
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- What is ozone gas?
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- What was the Stone Age?
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- What are whispering galleries?
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- How does a steering wheel make a car turn?
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- What is the International Date Line?
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- What are the different types of calculators?
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- How does a hovercraft work?
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- What is Carbon Dating?
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- What is a Computer Virus?
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- How does an airplane stay up in the air?
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- How do traffic lights work?
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- What is a Cosmic Year?
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- What is a boomerang?
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- How can we locate the North Star?
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- Why is ‘pi’ such a unique number?
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- What are the contact lenses?
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- How are different paints made?
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- What is a shadow?
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- What is a Range Finder?
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- How does a siphon work?
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- How fast do the objects fall?
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- What is the refraction of light?
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- How does a parachute work?
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- What is a prime number?
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- What is Electricity?
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- What is a pyrometer?
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- What is solar wind?
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- What are Novae and Supernovae?
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- How does a jet engine work?
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- Why does a ship float on water?
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- What is Doppler Effect?
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- How do detergents perform the cleaning action?
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- What is an ammeter?
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- What is the science of ballistics?
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- What is a welding torch?
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- How do we measure the hardness of materials?
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- What are the different abrasives?
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- What is a clinometer?
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- What is electroplating?
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- How do satellites stay up in space?
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- How is sulphuric acid manufactured?
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- What is light?
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- How does a siren produce sound?
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- How are metals anodized?
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- How does a turbine work?
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- How does a battery torch work?
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- How does a screw jack work?
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- What does the word bass mean?
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- Why is it said that a tuning fork gives a clear example of natural frequency?
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- How does a synthesizer work?
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- Why is a mixing console an important unit?
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- Why is it said that the telephone is an important invention?
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- Why is it said that the telephone is the end result of many other inventions?
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- What is meant by sound recording?
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- Why is the introduction of the phonautograph a turning point?
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- Why is the phonograph an important invention?
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- Why is it said that the introduction of the gramophone record changed the history of audio recording?
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- Why is it said that the CDs revolutionized sound recording?
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- Why is it said that a soundtrack is a necessary part of a film?
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- Why is it said that sound effects are important for a movie?
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- Why is it said that sound effects are useful not only in movies, but also in video games and music?
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- What is meant by the term sound-on-film?
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- Why is it said that sync sounds are widely used in movies?
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- Why is DTS a leader in digital sound?
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- Why is the Dolby system important?
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- Why is it said that SDDS is an important digital sound format?
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- Why is noise a nuisance?
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- What is meant by the term noise pollution?
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