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### 25 Cards in this Set

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 75 grams = ? milligrams 75,000 milligrams milli=1/1,000 486,000 milliliters=? kiloliters .486 kiloliters kilo=1,000 definition of matter anything that has mass and takes up space (has volume) no hint properties of matter physical and chemical no hint physical properties include: mass, volume, density, specific gravity, state, phase, color, smell, texture, taste, shape no hint mass amount of matter in an object mass does matter density the mass of the object compared to the volume of the object. (How well packed the object is) density=mass/volume comparison volume amount of space an object takes up. L x W x H no hint mechanical and chemical brakdown of food begins in the.... mouth chewing what is the coefficient? the larger number that is the number of molecules in the equation (this can be changed) no hint what is the subscript? the number on the botttom that tells you the number of atoms and can't be changed. no hint what does "H" represent? hydrogen no hint what measures time? clock, in seconds tick tock what measures mass? triple bean balance, measured in kilograms no hint what measures volume? meniscus, measured in milliliters or centimeters cubed no hint boiling point of water in degrees celcius? 100 degrees simple how many times does the earth rotate in a month? about 30 times days.......... band of colors formed when white light asses through a prism is called a? a. lens b. photograph c. spectrum d. ray c. spectrum no hint a could of as and dust is called a? a. quasar b. pulsar c. hollywood d. galaxy a. quasar no hint How long does it take light from a quasar 6 billion light-years away to reach earth? a. 6 minutes b. 6 years c. 6 million years d. 6 billion years 6. 6 billion years billion light years is very far away epidemic disease that effects a large number of people or animals epi=big pandemic outbreak of a disease over a large geographic area and occurring over a long period of time bigger then epi what was the first pandemic? origionated in East Africa and was carried down the nile into EGYPT, called Justinian's plague. Spread also to CONSTANTINOPLE JP Astronomy the study of everything that lies beyond the earth's atmosphere. no hint why do plagues occur? they occur when a disease is introduced to a part of the world that is not yet immune to the certain diesase no hint