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### 23 Cards in this Set

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 the calorie is defined as the amount of energy required to raise the temperature of 1 g of water from 14.5C to 15.5C Potential Energy Stored energy Kinetic Energy the energy or motion Measurement Units in Medicine MASS 1 milligram(mg)= 1000micrograms (mcg 1 grain (gr)= 65 milligrams(mg) VOLUME 1 cubic centimeter(cc or cm3)= 1 milliliter (mL) 15 drops(gtt)= 1 milliliter(mL) 1 teaspoon (tsp)= 5 milliliters (mL) 2 tablespoons(T or tbsp)= 1 ounce (oz) 1 mL=1x.001 L Significant figures Multiplication Division calculations should not change the degree of uncertainty in a value. When doing multiplication or division with the measured values, the answer should have no more significant figures then any number used in the calculation. Significant figures Addition when doing addition or subtraction with measured values, the answer should have the same number of decimal places as the quantity with the fewest decimal places Scientific notation an exponent with a positive value tells you how many times to multiply a number by 10 an exponent with a negative value tells you how many time to divide a number b 10 Temperature concersions f=(1.8xc)+ 32 c=f-32/1.8 accuracy is related to how close a measured value is to a true value precision is a measure of reproducibility Measurement Units 1 kg= 2.205 lbs 1 kg= 100 g 1 m= 3.281 ft 0.946 L= 1 qt 1 m3= 1000L 4.184 J= 1 cal F=(1.8xC) + 32 C= F-32/1.8 K=C + 273.15 exact numbers have an unlimited number if significant figures significant figures those digits in a measurement that are reproducible when the measurementis repeated, plus the first doubtful digit the scientific method the process used to gatherand interpret information. observation is part of the process laws are statements that describe things that are consistently and reproducibily observed hypothesis a tentative explanation that is based on presently known facts. theory an experimentally tested explanation of an observed behavior matter is anything that has mass and occupies space physical properties characteristics that can be determined without changing the chemical composition of matter (what it is made of) hypothesis a tentative explanation that is based on presently known facts. theory an experimentally tested explanation of an observed behavior matter is anything that has mass and occupies space physical properties characteristics that can be determined without changing the chemical composition of matter (what it is made of)