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### 18 Cards in this Set

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• Back
 hypothesis A statement that can be tested. A possible answer to a question experiment A series of steps used to test a hypothesis. variable Something that causes changes observed in an experiment. control A standard for comparing results. Normal or what is considered normal. data Quantitative observation (measurements). Recorded facts or measurements from experiments. theory a hypothesis supported by evidence (a lot!) Is a very general statement like the cell theory-- All living things made from cells. technology Using science to improve human life. observation Using your senses to describe objects and or actions . qualitative observation Using describing qualities (example: color, shape, general size, texture, odor etc...) qualitative observation Describing using specific amounts,numbers or measurements. Tools to measure: ruler, balance, thermometer, grad. cylinger. International System of Units S.I.Units = is the modern term for metric units. S.I Unit of length meter volume The amount of space a substance occupies. The S.I. unit of volume is the cubic meter or Liter. kilogram S.I. Unit of Mass mass how much matter is in something weight Wieght is the measure of force of gravity on an object. temperature The measure of the amount of heat in something. Celsius Scale S.I. unit of temperature