Multiple choice

Why do scientists repeat experiments several times?

  1. to make sure their results are accurate

  2. to change the variable each time

  3. to use up all their materials

  4. to memorize the procedures
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Repeating experiments multiple times helps ensure that the results are consistent and reliable, rather than being the result of a random fluke. This replication is a key part of validating scientific findings.

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