Controlled Experiment

An Experiment that test only one factor at a time by using a comparision of a control groupwith an experimental group

Hypothesis

A testable idea or explanation that leads to scientific investigation

A if then question

If I leave a peice of bread out, then what will happen to the bread?

Scientific Methods

A series of steps followed to solve a problem

Varible

A factor that changes in an experiment in order to test a hypothesis

Law

A descriptive statement or equation that relibly predicts events under certin conditions

Model

A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept

Theory

A system of ideas that explains many related observations and is suppoerted by a large body of evidence acquired through scientific investigation

Area

A messure of the size of asurface region

Compound Light  Microscope

An instrument that magnifies small objects so that they can be seen easily by using two or more lenes

Electron Microscope

A microscope that focuses a beam of electrons to magnify objects

Mass

A measure of the amount of matter in a object

Technology

The application of science for practical purposes; the use of tools, machines, materials, and processes to meet the human needs

Temprature

A measure of how hot or cold something is

Volume

A measure of the size of a body or region in athree-dimensional space