Science Experiments in the Library
  • 1. Why is it important to wear safety goggles during science experiments?
A) To avoid getting your eyelashes dirty.
B) Because it is a fashion trend among scientists.
C) To look more professional in the lab.
D) To protect your eyes from potential chemical splashes or spills.
  • 2. Why is it important to read and follow the experiment procedures carefully?
A) To ensure safety, accuracy, and reproducibility of the results.
B) To demonstrate your independence from guidelines.
C) To make the experiment more challenging.
D) To waste time in the lab.
  • 3. What does it mean to have a control group in an experiment?
A) A group that does the experiment first.
B) A group in which the variable being tested is not applied, used as a baseline for comparison.
C) A group that controls the experiment.
D) A group that cheats in the experiment.
  • 4. What is the importance of recording measurements accurately in science experiments?
A) To ensure the reliability and validity of the results.
B) To show off your math skills.
C) To confuse the data analysis.
D) To impress your classmates.
  • 5. What type of variables are manipulated or changed by the experimenter?
A) Dependent variables.
B) Independent variables.
C) Control variables.
D) Constant variables.
  • 6. Which tool is commonly used to measure mass in a lab?
A) Balance
B) Ruler
C) Thermometer
D) Stopwatch
  • 7. What is the role of a hypothesis in an experiment?
A) To provide a summary of the experiment after completion.
B) To make the experiment last longer.
C) To confuse the experimental process.
D) To provide a testable prediction about the outcome of the experiment.
  • 8. Why is it important to repeat experiments to validate results?
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.
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