Explain each of the following terms in relation to the scientific method - Leaving Cert Biology - Question 2 - 2005
Question 2
Explain each of the following terms in relation to the scientific method.
(a) Hypothesis.
(b) Control
(c) Data
(d) Replicate
(e) Theory
Worked Solution & Example Answer:Explain each of the following terms in relation to the scientific method - Leaving Cert Biology - Question 2 - 2005
Step 1
Hypothesis.
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Answer
A hypothesis is a proposed explanation for a phenomenon or observation. It is an educated assumption that can be tested through experimentation. It serves as a foundation for further investigation and allows scientists to conduct experiments to confirm or refute it.
Step 2
Control
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A control is an experimental group that remains unchanged and serves as a standard for comparison. It helps to ensure that the results of the experiment are due to the independent variable being tested, rather than other external factors.
Step 3
Data
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Data refers to the measurements or observations collected during an experiment. This information is crucial as it forms the basis for analysis and helps to validate or refute the hypothesis.
Step 4
Replicate
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To replicate means to repeat an experiment or procedure to verify results. Replication enhances the reliability of scientific findings and confirms that the results are consistent and not due to chance.
Step 5
Theory
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A theory is a well-substantiated explanation of some aspect of the natural world that is based on a body of evidence. It arises from repeated testing and validation of hypotheses and is generally accepted within the scientific community.
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