science part 1
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science part 1
teas entrance exam
list two reasons for conducting scientific investigations.
1) Establishing procedures
2) Improving the quality of life
An example of an investigation that has led to radically new designs that improve the quality of life?
2) artificial organs
relating to numbers
The possible explanation formulated to answer questions that are being investigated It involves making predictions that follow from the initial statement of the problem
The six rules of logic that govern the scientific method.
1) problem identification
2) question asking
3) hypothesis development
4) data collection and experimentation
The collecting of data throughout the scientific process to test the hypothesis or predictions in a controlled environment? (pretty obvious)
Data collection <wowzers that was hard>
comparing a control group and an experimental group. Both groups are equal in size and are compared to understand the effect the variable has on the experimental group.
comparing the data from the experiment and to determine if the data is reliable and whether or not it supports the hypothesis.
When the data supports or does not; the hypothesis in a experiment you are then able to.....
develop a conclusion
How can scientific argument change over time?
possible answers include that a bias may be shown or that the results can not be repeated.
Give 2 reasons why scientific research is dependent on technology?
1) data is recorded in numbers
2) relationships are established by graphs and formulas....
: numerical models are used to describe mathematical relationships
a method whereby conclusions follow from general principles.
Deductive reasoning, <leads to a specific conclusion)
a method of arriving at general principles from specific facts
inductive reasoning (relies heavily on a preponderance of information that leads to a certain degree of confidence in a conclusion.
The smallest parts of elements that still retain all original properties of the element are called?
a chemical bonding of atoms that possesses its own characteristics independent of the atoms themselves.
The basic unit of life is called?
cells that combine in terms of function and type to form....
two or more tissue types work together to perform a specific function.....?
When organs work together to perform a task is called a
The highest level of organiztion is???
The result of all organ systems working together within the body is called?