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what is science

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dylan freire

on 20 September 2012

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Transcript of what is science

What is science? By Dylan Freire Science is study of natural events
and conditions Science Life science, or biology is the study of living things Characterize of Science Earth science , geology is
the study of Earth's surface
and interior. Physical science is the study
of energy and non living things.
Physical science also includes
physic and chemistry Empirical Evidence Empirical evidence is observation
and measurement, and data that
scientist gather to support its answer Scientific evidence must be observably
by all scientist. It must not be base on opinion or feelings Scientist commonly use tools to collect
data. Scientific expatiation A scientific expatiation provides reason
for how a phenomenon occurs. Scientific expatiation is based on empirical
evidence. Therefore it can be tested. Science cannot test expatiation that involve
unsupported beliefs or opinion. There are three main parts of science,
biology, geology, physical science. Scientist plan their investigation
to address a specific problems or
question. Method Acting Parts of scientific investigation Hypothesis First look at the empirical evidence. Think of all evidence you could gather to support the statement. Second, consider if the explanation
is logical. Third, think of other test you could
do to support you could use to support
your ideas. Last, evaluate the explanation. Pseudoscience Pseudoscience is a belief or practice
that is based on incorrect applied
scientific method. Pseudoscientific ideas are are based
on faulty logic and are supported by
claims that can't be tested. How do scientific theories become
accepted? Some theories are quickly accepted;
others are not.

A good scientific theory is one that
is supported by most of the evidence
and can account for new observations
as they arise.

Such a theory becomes widely accepted Scientists investigate the natural world
through experiments and observations. An experiment is an organized procedure
to study something under controlled
conditions.
Observation is the process of obtaining
information by using the senses. A hythothesis testable idea or explanation that leads to scientific investigation Hypotheses must be carefully constructed so they
can be tested in a practical and meaningful way. An independent variable is the factor
that is deliberately manipulated. A dependent variable changes as a result of manipulation of one or more independent variables. Scatter Plot Independent and Dependent Variable A scatter plot is a graph with points
plotted to show a possible relationship
between two sets of data. In a scatter plot, the horizontal x-axis
usually represents the independent variable. The vertical y-axis usually represents
the dependent variable. A linear graph is the relationship between
the independent and dependent variables
can be shown with a straight line. A straight line shows that the rate of change
of the dependent variable with respect to the
independent variable is constant Linear Graph Nonlinear graph A nonlinear graph is a which the
relationship between the variables
cannot be shown with a straight line. If the product of variables remains constant,
the variables are said to have an inverse relationship. A graph of an inverse relationship is a smooth
curve that becomes nearly vertical and horizontal
at opposite ends. Models A model is a representation of an object
or a process that allows scientists to
study something in greater detail. A model that is too simple or too complicated
may not be useful. The best models are those that most closely
resemble the system, process, or other entity
they represent. The direction of science The direction of science is affected by many things, including political,
societal, and economic concerns. Science, in turn, affects politics,.
society, and the economy. Science, society, and economics interact Science is influenced by societal needs and economics. If society sees no value in certain research, scientists may not get funding for the research. People may not buy or use new technologies if
they do not think they are useful. Science and politics affect each other The direction of science is affected by
many things, including political,
societal, and economic concerns. Science, in turn, affects politics, society,
and the economy. Areas that science help us make decisions Science has led to lifesaving discoveries and has taught us to protect our resources, too. Decision-makers use scientific information
to help them make laws. Rules and laws may be enforced by government agencies
on the community, state, and national levels. Evaluating the Explanation
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