Chapter 1 - Introduction to Science

 

Accuracy Ð A description of how close a measurement is to the true value of the quantity measured

 

Critical thinking - The ability and willingness to assess claims critically and make judgments on the basis of objective and supported reasons.

 

Length - The measure of the straight-line distance between two points

 

Mass Ð A measure of the amount of matter in an object

 

Precision Ð The exactness of a measurement

 

Science Ð The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested.

 

Scientific Law Ð A summary of many experimental results and observations; A law tells how things work.

 

Scientific Method Ð A series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis and stating conclusions.

 

Scientific Notation Ð A method of expressing a quantity as a number multiplied by 10 to the appropriate power.

 

Scientific Theory Ð an explanation for some phenomenon that is based on observation, experimentation, and reasoning.

 

Significant Figure Ð A prescribed decimal place that determines the amount of rounding off to be done based on the precision of the measurement.

 

Technology Ð An application of scientific knowledge for practical purposes

 

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

 

Volume Ð A measure of the size of a body or region in three-dimensional space

 

Weight Ð a measure of the gravitational force exerted on an object