A suggested and testable explanation for a specific event is called a_
A. hypothesis
B. variable
C. theory
D. control
The Correct Answer and Explanation is :
Correct Answer:
A. Hypothesis
Explanation:
A hypothesis is a suggested and testable explanation for a specific event, phenomenon, or observation. It is an essential part of the scientific method, as it provides a basis for conducting experiments and making predictions. Scientists develop hypotheses based on prior knowledge, observations, and logical reasoning.
A well-formed hypothesis should be testable and falsifiable. Testability means that the hypothesis can be evaluated through experiments or observations, while falsifiability means that there must be a possibility to prove it wrong if new evidence contradicts it.
For example, if a scientist observes that a certain type of plant grows faster with more sunlight, they might propose the hypothesis:
“If a plant receives more sunlight, then it will grow taller.”
This hypothesis can be tested by growing plants under different light conditions and measuring their growth.
Why Not the Other Options?
- B. Variable – A variable is any factor, trait, or condition that can change in an experiment. Variables are manipulated and measured to test a hypothesis, but they are not explanations themselves.
- C. Theory – A theory is a well-substantiated explanation of some aspect of the natural world based on a body of evidence from multiple experiments and observations. Unlike a hypothesis, a theory has already been extensively tested and confirmed.
- D. Control – A control is a standard or baseline used in an experiment to compare results and determine the effects of the independent variable. It helps ensure that observed changes are due to the experimental treatment rather than external factors.
In summary, a hypothesis is the correct answer because it is a tentative explanation that can be tested through experiments and observations.