Which is an example of a scientific hypothesis?
A plant requires some amount of water to live and grow.
White light consists of a varying spectrum of light.
A person will not get cavities if they brush their teeth daily.
Organisms change and evolve as the heritable physical or behavioral characteristics alter.
a?
Why couldn't ALL of these be a hypothesis?
The example of a scientific hypothesis is "A person will not get cavities if they brush their teeth daily."
The correct example of a scientific hypothesis is: "A person will not get cavities if they brush their teeth daily."
To understand why this is a hypothesis, let's break it down:
A hypothesis is a proposed explanation for a phenomenon observed in the natural world. It is a statement that can be tested through experimentation or observation. In scientific research, hypotheses are formulated based on prior knowledge or observation and are used to guide further investigation.
In this case, the hypothesis suggests that there is a cause-and-effect relationship between brushing teeth daily and the prevention of cavities in individuals. To test this hypothesis, one could design an experiment by dividing a group of participants into two groups: one that brushes their teeth daily and another that does not. The participants would then be monitored over a certain period of time to compare the occurrence of cavities in both groups. If the results show a significantly lower number of cavities in the group that brushes their teeth daily, it would support the hypothesis. Conversely, if there is no significant difference in the occurrence of cavities between the two groups, the hypothesis would be unsupported.