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ETellez-8th grade science final exam review
Transcript of ETellez-8th grade science final exam review
Geocentric Heliocentric - is having the sun in the center
Geocentric - Having or representing the earth as the center Unit 5,6,7,and8 What is an equinox? The time or date (twice each year) Hemisphere A half of sphere All phases of the moon It contains 8 phases Asteroid A small rocky body meteor A streak of light in the sky that forms Meteoroid A small piece of metal or stone What are gas giants? A gas giant is a large planet that is not primarily composed of rock or other solid matter. Gas giants may have a rocky or metallic core What are Terrestrial Planets? They are all composed mostly of rock and heavy metals. These planets have a core made of heavy metals that is mostly iron Gravitational Force the force of attraction between all masses in the universe Absolute Magnitude The magnitude (brightness) of a celestial object as it would be seen at a standard distance Apparent Magnitude The magnitude of a celestial object as it is actually measured from the earth Astronomical Unit Astronomical Unit A unit of measurement equal to 149.6 million kilometers Nitrogen cycle The series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms Water cycle circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers Carbon cycle Photosynthesis The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water What diagram do we use to measure a stars size and color? What are the layers of the Sun and the Characteristics of each? is very, very hot 4 million degrees F middle layer of the sun Photosphere is the visible surface of the Sun Spiral Galaxies in which the stars and gas clouds are concentrated mainly in one or more spiral arms Elliptical Galaxies is a galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless brightness profile Irregular Galaxies is a galaxy that does not have a regular shape, like a spiral or an elliptical galaxy Light year 1 light year = 9.4605284 × 1015 meters Celluar respiration the metabolic processes whereby certain organisms obtain energy from organic molecules Gravity Personal goals for high school and beyond In high school i will try to join the soccer team and be good at it. And i will try not to get in trouble.And my goals for high school is to get good grades i will try to get straight A's. And join some cool clubs at bayshore. And in the future i want to be an engineer and go to college and get a full scholarship in highschool. And in high school i might take some classes that are spanish,and french. And someother cool stuff in high school I really wanted to be an engineer and all that cool stuff i really want to build stuff with robots and all the robots they have.