THE SOLAR SYSTEM T The Solar System consists of the Sun and the astronomical objects gravitationally bound in orbit around it‚ all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. The vast majority of the system’s mass (well over 99%) is in the Sun. Of the many objects that orbit the Sun‚ most of the mass is contained within eight relatively solitary planets whose orbits are almost circular and lie within a nearly flat disc called the ecliptic
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geocentric view with our modern view of the universe. Geocentric describes the idea that everything revolved around Earth‚ compared to modern knowledge that everything revolves around the Sun (our star). 2) Briefly describe the major levels of structure (such as planet‚ star‚ galaxy) in the universe. Planet: (a) Orbits a star‚ (b) large enough for its own gravity to make it round‚ (c) has cleared most other objects from its orbital path. Sun: The star of our solar system. Star: Large‚ glowing
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My Solar System Name Period Introduction: Every physics student has had a lot of experience with the force of gravity. Unfortunately‚ this experience is limited to the interaction between a very large object‚ the Earth‚ and much smaller objects that are very close to it. This is a very limited range of the possibilities. Software simulations of gravity allow physics students to explore a variety of other gravitational interactions between objects. These activities are designed to be used
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extremely influential astronomers. They believed in the heliocentric model of our solar system‚ or the idea that the planets revolved around the Sun. We all accept this model today as fact‚ but back in their time‚ the thought of it was pure blasphemy. The widely accepted idea at the time‚ as supported by the almighty Catholic Church‚ was the geocentric model. In this model‚ the Earth is central to nearly everything‚ and is orbited by the Sun‚ moon‚ and other special bodies. This idea has been discredited
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Mental tension ii. Respiratory diseases iii. Irritation iv. Deafness v. heart diseases 4. Remedies i. Forestation ii. Anti pollution devices iii. Regular check up of vehicles iv. New laws v. public awareness through media Pollution is the most horrible menace that the man of the modern era is facing. It is disastrous for all the living creatures. But people are not aware of its causes‚ dangerous effects and remedies. Environmental pollution is nearing hazardous limits. In big cities‚ for
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discuss on how we have influenced our natural environment. Our natural environment has being eg; Polluted with the mount of rubbish we have dumped in our ocean which cause water pollution. Deforestation has being a worst nightmare for the animals that live in that habitat. Recycling‚ is a good thing to help save the earth‚ from reducing; paper‚ bottles‚cardboard etc‚ without damaging it from polluting and cutting down trees. Pollution has been a very big concern in our environment. This has been caused
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Exploration: Solar System Explorer Vocabulary: astronomical unit‚ dwarf planet‚ eccentricity‚ ellipse‚ gas giant‚ Kepler’s laws‚ orbit‚ orbital radius‚ period‚ planet‚ solar system‚ terrestrial planet Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. List all of the planets you can think of in our solar system. Try to list them in order from closest to farthest from the Sun. _________________________________________________________________________ 2. Which planets are most like Earth
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lectures. This should not be the only resources you use to study. Who developed the concept of atoms? What are atoms? What is the Law of conservation of mass? What is the law of definite proportions? What is Dalton’s Atomic Theory? Atomic Structure (Experimental Evidence for Atomic Structure): CH.2 [Section 1] 1. Circa 400-5 BCE (Greek Philosopher Democritus) a. Proposed the idea of matter being comprised of small‚ indivisible‚ indistructible particles (atomos) 2. Lavoisier (18th century) a. proposed
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ATOMIC STRUCTURE AND THE PERIODIC TABLE Theoretical change with respect to Dalton’s atomic theory 1. In 1803‚ atomic theory was revived by John Dalton a) matter is made up of tiny particles called atoms which cannot be created‚ destroyed or split b) all atoms of one element are identical:- same mass and same chemical properties c) a chemical reaction consists of rearranging atoms from one combination to another. d) When elements combine to form compounds‚ small whole numbers of atoms
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A young Venetian‚ Bassanio‚ needs a loan of three thousand ducats so that he can woo Portia‚ a wealthy Venetian heiress. He approaches his friend Antonio‚ a merchant. Antonio is short of money because all his wealth is invested in his fleet‚ which is currently at sea. He goes to a Jewish money lender‚ Shylock‚ who hates Antonio because of Antonio’s anti-semitic behaviour towards him. Shylock nevertheless agrees to make the short-term loan‚ but‚ in a moment of dark humour‚ he makes a condition - the
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