Sort the questions based on whether they are better answered by an observational study or a controlled experiment.

1. How effective is a new toothpaste in reducing cavities?
2. How does the daytime temperature affect the formation of dew at night?
3. Which is a better absorber of heat, an object painted black or the same object painted white?
4. Can plants prepare food even in artificial light?
5. Why does a rolling ball slow down as it moves?

Observational Study
- [Questions suitable for observational study]

Controlled Experiment
- [Questions suitable for controlled experiment]



Answer :

Final answer:

Observational studies focus on natural occurrences, while controlled experiments involve manipulating variables.


Explanation:

Observational Study:
- How does the daytime temperature affect the formation of dew at night?
- Can plants prepare food even in artificial light?

Controlled Experiment:
- How effective is a new toothpaste in reducing cavities?
- Which is a better absorber of heat, an object painted black or the same object painted white?


Learn more about Types of Scientific Studies here:

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