Scientific Procedures and Safety - Assessment

Control

experimental sample absent of the factor in question

Empirical Evidence

information gained by means of observation, experience or experiment

Physical Phenomenon

involving the physical properties of matter and energy

Natural Phenomenon

non-artificial event in the physical sense, not produced by humans but may affect humans

Gel Electrophoresis

process of applying electric current to proteins in a gel medium to separate them according to size and electrical charge

Qualitative Data

set of data describing the findings of an experiment

Quantitative Data

set of data using numbers or measurements to represent the findings of an experiment

Scientific Theory

set of knowledgeable explanations for a certain phenomena

Polymerase Chain Reaction (PCR)

technique in molecular genetics permitting the analysis of any short sequence of DNA or RNA

Hypothesis

tentative and testable statements which must be capable of being supported or not supported by observational evidence

Intervention

treatment or procedure modifying a given outcome

Science

use of evidence to construct testable explanations and predictions of natural phenomena, as well as the knowledge generated though this process

Adding charts and graphs helps a scientist _________________.

Both B And C

Which of the following is not true about a hypothesis and a scientific theory?

Both B and D

How many hours of light exposure did the first photographic image require?

Eight

In Latin, "scientia" means___________.

Knowledge

Scientia

Latin word for knowledge

Lindsey is trying to gain credibility for her studies. She completed her experiment and discussed her finding with colleagues. Her next step is ____________.

Publishing Scientific Journals

The most important safety rule in the laboratory is ______________.

Read all procedures thoroughly

Blake is eliminating contributing factors to ensure accuracy in his results. Which step of the scientific method is he performing?

Test the hypothesis

Isaac Newton discovered _______________ in 1666.

Universal Gravitation

Incubation

act of keeping an organism, a cell or cell culture in conditions favorable for growth and development

Pathogen

agent causing disease or illness to its host

Scientific Theories

are well-established and highly-reliable explanations based on natural and physical phenomena which are capable of being tested

Which of the following is not a step in the scientific method?

All are steps in the scientific method

After completing her initial experiment, Melody established an alternative conclusion for her results. She realized her original hypothesis was ______________.

All of the Above