A testable hypothesis is one that can be investigated through experimentation or observation, allowing for potential confirmation or disconfirmation based on evidence. Let's evaluate each statement you've provided:
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Plants produce glucose as the end product of photosynthesis.
- This is a scientific fact rather than a hypothesis; it's well-established and therefore not a testable hypothesis in the context you're asking.
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Dropping a ball from a height of 10 m will cause it to bounce back up 5 m.
- This is a testable hypothesis because you can drop a ball from a height of 10 m and measure how high it bounces back. You could confirm or reject this hypothesis based on the experimental outcome.
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If acid is added to a solution, then the pH of the solution will go down.
- This is also a testable hypothesis. You can conduct an experiment by adding acid to a solution and measuring the pH before and after to see if it decreases, confirming or rejecting the hypothesis.
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If certain foods are healthy for you, then they should also taste good.
- This statement is more subjective and involves personal taste preferences, making it less straightforward to test. While it could potentially be investigated through surveys or studies, it’s less clear-cut than the previous hypotheses.
In summary, the second and third statements are clearly testable hypotheses.
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