Indicate whether each of the following statements is true (T) or false (F) by drawing a circle around T or F in each case - Leaving Cert Biology - Question 5 - 2018
Question 5
Indicate whether each of the following statements is true (T) or false (F) by drawing a circle around T or F in each case.
(a) A control is used for comparison in e... show full transcript
Worked Solution & Example Answer:Indicate whether each of the following statements is true (T) or false (F) by drawing a circle around T or F in each case - Leaving Cert Biology - Question 5 - 2018
Step 1
(a) A control is used for comparison in experiments
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Answer
True. A control group is essential in scientific experiments to provide a baseline for comparison against the experimental group.
Step 2
(b) The information collected in an experiment is called data
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Answer
True. Data refers to the information gathered during experiments that is used to draw conclusions.
Step 3
(c) A hypothesis is a proven idea
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Answer
False. A hypothesis is a testable prediction, but it is not considered proven until it has been supported by substantial evidence.
Step 4
(d) Replicating an experiment means repeating it a number of times
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True. Replication involves conducting the same experiment multiple times to confirm results and ensure reliability.
Step 5
(e) A theory is a hypothesis that has been disproved
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False. A theory is a well-substantiated explanation of an aspect of the natural world that is supported by a body of evidence; it is not merely a disproved hypothesis.
Step 6
(f) A variable never changes during an experiment
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False. Variables can change during an experiment; in fact, it's essential to analyze how they affect the dependent variable being measured.
Step 7
(g) Scientific discoveries are first published in newspapers
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False. Scientific discoveries are typically published in peer-reviewed journals before they appear in popular media such as newspapers.
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