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Physical Science

Qualitative Observations made by gathering information that can be recorded using descriptive language
Quantitative Observations made by gathering information that can be recorded as a number with a measurement unit
Inference not a fact, but an interpretation of what the direct observations mean
Scientific Law describes what scientists expect to happen every time under a particular set of conditions
Constant part of an experiment that is held in the same condition for control and experimental
Variable part of the experiment that changes
Manipulated/Independent Variable a factor in a controlled experiment that is intentionally changed by the experimenter
Scientific Theory a well tested explanation for a wide range of observations or experimental results
Inquire to ask for information
Dependent/Responding Variable a resulting factor in a controlled experiment that is observed and measured to see if it changes due to the manipulation of another variable
Experiment a course of action completed in order to test a hypothesis
Control a standard to which all other levels are compared in a scientific experiment
Matter anything that has mass and takes up space
Mass matter in an object DOES NOT CHANGE
Weight gravity's pull on an object DOES CHANGE
Volume amount of space an object takes up length x width x height L x W x H
Physical Properties any change that alters form or appearance of matter but does not make any substance in the matter into a different substance
Chemical Properties a change in matter that produces one or more new substances
accuracy the degree to which the result of a measurement, calculation, or specification conforms to the correct value or standard
calibration each of a set of graduations on a measurement
graduated cylinder a graduated cylinder is a piece of lab equipment used to measure the volume of a liquid
International System of Measurement (abbreviated as SI) is the most common system of measurement used, it's known as the metric system
liquid one of the four states of matter
meniscus the dip of the liquid in a graduated cylinder
Newton- a unit of measurement is an SI unit of force.
precision exactness, the ability of a measurement to be consistently produced
triple beam balance is a typical mechanical balance
unit a particular amount of length, time money, etc. that is used as a standard for counting or measuring
Created by: 3133180