A) To look more professional in the lab.
B) Because it is a fashion trend among scientists.
C) To protect your eyes from potential chemical splashes or spills.
D) To avoid getting your eyelashes dirty.

A) To waste time in the lab.
B) To ensure safety, accuracy, and reproducibility of the results.
C) To demonstrate your independence from guidelines.
D) To make the experiment more challenging.

A) A group that does the experiment first.
B) A group that cheats in the experiment.
C) A group that controls the experiment.
D) A group in which the variable being tested is not applied, used as a baseline for comparison.

A) To show off your math skills.
B) To confuse the data analysis.
C) To impress your classmates.
D) To ensure the reliability and validity of the results.

A) Dependent variables.
B) Independent variables.
C) Control variables.
D) Constant variables.

A) Balance
B) Stopwatch
C) Thermometer
D) Ruler

A) To confuse the experimental process.
B) To provide a testable prediction about the outcome of the experiment.
C) To provide a summary of the experiment after completion.
D) To make the experiment last longer.

A) To discourage further experimentation.
B) To confuse the validity of the initial results.
C) To ensure that the results are consistent and not due to chance or errors.
D) To waste time and resources in the lab.