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Life Sci-Chap 1

vocabulary words

life science study of living things
scientific methods series of steps you follow to solve a problem
hypothesis possible answer or explanation to a question-based on prior research or observations that can be tested
controlled experiment experiment that tests only one factor at a time by using a control group and an experimental group(s)
variable the factor that differs in an experiment
model represents an object or system - can show structure or workings of the object or system
theory explanation that ties together many related facts, observations and tested hypotheses
law summary of many experimental results and observations; these rarely change
technology application of science for practical purposes
compound light microscope magnifies small objects so they can be easily seen by using two or more lenses. # mains parts - tube with two or more lens, a stage and a light.
electron microscope microscope that focuses a beam of electrons to magnify objects. Can;t view living things with this. Two kinds transmission electron microscope and transmission electron microscope
area measure of the size of a surface or region
volume measure of the size of a body or region in three dimensions (lwh)
mass measure of the amount of matter in an object
temperature a measure of how hot or cold something is
Created by: msparks