Vocabulary

toc =Being a scientist= scientific method - a method of investigation involving observation and theory to test scientific hypotheses hypothesis - an educated guess proposed as an explanation to a set of phenomenon law - A theory that has been tested many times and found always to be true theory - a well-substantiated explanation of some aspect of the natural world deductive reasoning - reasoning from the general to the particular (explaining the cause to the effect) inductive reasoning - generalizing or reasoning from detailed facts to general principles science - a method of learning about the physical world technology - the practical application of science biotechnology - the management or manipulation of living things for the benefit of people. engineering - applying scientific knowledge to practical problems manufacturing technology - the ways we produce goods and products model - creation or representation of something very small or very large for better understanding patterns - theme of recurring events that explain phenomenon scale - representation or an object in relation to its size chromatography - separation of a mixture of substances by its affinity to a certain solvent solvent - a liquid capable of dissolving other substances solute - a compound that is able to be dissolved by a solvent solution - a homogeneous mixture of two or more substances =Tools of the biologist= compound microscope - light microscope that has two converging lens systems: the objective and the eyepiece dissecting microscope - a binocular microscope that has two eyepieces for a 3D view of an object phase contrast microscope - a microscope that uses the change of phase when light is transmitted or reflected from a transparent or reflective specimen to form an image - can see live materials magnified at higher levels scanning electron microscope - An electron-beam-based microscope used to examine, in a three dimensional screen image, the surface structure of prepared specimens transmission electron microscope - a beam of electrons is transmitted through an ultra thin specimen for greater detail microtome - scientific instrument that cuts thin slices of tissue for microscopic investigation