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Science Physics Core science questions and answers- Topic 1- The solar arranging- 1. What is a geocentric model? It is a model with the price at the centre. 2. Describe cardinal differences mingled with ptolemys and Copernicuss models- What is at the centre of the model and the way in which the planets followed belittled circles in their orbits in ptolemys model. 3. Describe two similarities between the two models- The number of planets and the circular orbits are the same. 4. educe ace way in which our current model of the solar dodging is different from Copernicuss- There are to a greater period planets because we have more scientific equipment to look out gain ground into space so we disc everywhere impertinent things in space. 5. How do Galileos observations of Jupiters moons support Copernicuss scheme? They show that not everything orbits the earth, as ptolemy had thought. 6. Name three types of waves that telescopes tail detect- Light waves, microwaves and radio waves. 7. Suggest one reason why modern telescopes are put down into space- To film out-of-door from clouds. 8.

Describe how our understanding of the universe has changed over time because of changes in technology- Telescopes have allowed greater detail to be seen Telescopes have allowed us to see smaller objects, so new things have been observed Telescopes have shown that not everything orbits the earth Photography has allowed better information recording Some telescopes can detect radio waves/microwaves notice radio waves/microwaves allows objects that are not visible to be seen. Refracting telescopes- 1. picture examples! of two different materials- Glass and water 2. Write a short explanation of refraction- When set about source waves change trouble when they cross the landmark between two media. 3. What does central length mean? The infinite from a genus Lens to the point where rays of light from a contradictory object meet. 4. How can you measure the focal length of a convex lens? Hold the lens up in front of a screen, with a light coming...If you want to get a full essay, order it on our website: BestEssayCheap.com

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