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science study guide

By leighanneddy Feb 24, 2014 700 Words
1. gravity, magnetic fields, and atomic and subatomic attractions 2. The big bang theory is the theory that the universe originated sometime between 10-20 billion years ago from the cataclysmic explosion of a small volume of matter at high density and temperature. 3. There are 26 brightest stars Please describe the stars luminosity/temperature/mass relationship, coordinates of celestial systems, declination

4. It creates new technology and products, as well as new jobs and businesses 5. light years- a unit of Astronomical distance equivilant to the distance that light travels in one year. The closest star is 4.37 light years away from earth 6. Refraction uses a lens to form the image. A reflection uses a mirror. A refraction is best to determine the size and major detail close up of a star. A reflection is for a spitting image of a star. 7. 3 types of rocks- igneous, metamorphic, and sedimentary. Rock cycle is best described as the formation, breakdown, and reformation of rocks. what would effect each in the cycle. 8. Sinkhole- cavity in the ground. Cave- A large underground chamber. Theyre usually formed by the dissolving action of underground water or the seepage of above-ground streams into the ground below. Stalacties and stalagmites are formed as the redeposited minerals build up after countless water drops. 9. Due to particular hydrogeological conditions. Please elaborate on the formation of geysers/hot springs 10. The water cycle is made up of 4 main parts: Evaporation and transpiration, condensation, precipitation, and accumulation. There are a few more processes to include. 11. troposphere- where weather froms. stratosphere- where the protective ozone layer is. Mesosphere- shooting stars blaze. Thermosphere- the temperature rises. Exosphere- the farthest layer 12. Geopshere- all the rocks and hard parts of earth. Hydrosphere- all of earths water. Biopshere- all living things. atmosphere- the blanket of gases surrounding the planet. Cosmosphere- the universe surrounding the Earth. 13. The locations that will have more colder and more snow would be the areas far up north or in the center of America. The areas with hot, humid weather would be the areas near the water.* actually areas near the equator are warmer/more humid. California’s coast is along the water, but they tend to have drier climates. 14. Higher air pressure means denser air. Which means low cloud formations and bad weather. 15. thunderstorms- the action of warm air rising and cold air sinking. Tornadoe-air rotates because wind shear, faster spin makes a funnel cloud, the funnel rotates and touches down. hurricane-as surface pressure continues to drop, a tropical storm becomes a hurricane when sustained wind speed exceeds 64 knots. * don’t forget about the warm waters associated with hurricanes. 16. A thermometer measures air temperature. A baromete measures air pressure. A sling psychrometer mesaures the humidity. A rain gauge measures the amount of rain fall. 17. ask a question. Do background research. Construct a hypothesis. Do an experiment. Analyze your data. Communicate. 18. pseudoscience examples- crop circles, face on mars, the search for big foot. 19. Theories are developed by a multi step process. First is by a hypothesis, then the scientists see if the hypothesis can be proved then is put into a theorie. 20. The difference is that theories can be turned into laws, or remain theories. But once its a law, it cannot be changed back. * Theories cannot become laws. See page 2 of discover tab, Misconceptions in lesson 03 for Beginning with Science 21. The point of water conservation is because the more water you conserve, the less you have to pay. Saving money is important but there is a bit more to why we need to conserve water. 22. there are three parts in an atom- proton, neutron, and electron. The proton is the positive electric charge. The electron is the negative charge. And the neutron is the subatomic particle.

States of Matter – liquid, solid , gas and plasma – examples – properties of each, physical changes between each (heating/cooling) *Heat transfer – conduction, radiation, convection

*Forces – gravitational(effect of gravity between objects of differing mass), electromagnetic, strong nuclear , movement with electromagnetic waves and field

*Electromagnetic waves – movement of waves and field, different frequencies along spectrum (energy emitted from each), blackbody radiation curves for four stars and temperature

*Waves – amplitude, frequency, wavelength

*What need a medium for it to travel through or not and which travels faster

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