Quiz on the Scientific Method and Laboratory Safety

What is the first step in the scientific method?

• Conclusion

• Experiment

• Hypothesis

• Observe

Which variable is manipulated in an experiment?

• Constant variable

• Independent variable

• Controlled variable

• Dependent variable

What type of data uses your five senses?

• Statistical

• Quantitative

• Qualitative

• Experimental

What should you do if there is an accident in the lab?

• Leave the lab immediately

• Try to fix it yourself

• Alert the teacher

• Ignore it

What is the purpose of a hypothesis?

• To form a question

• To conduct an experiment

• To analyze data

• To predict an outcome

What instrument is used to measure temperature?

• Burette

• Pipette

• Thermometer

• Measuring cylinder

What does precision refer to in measurements?

• The amount of data collected

• Closeness to the true value

• The type of instrument used

• Closeness of repeated measurements

What does accuracy refer to in measurements?

• The amount of data collected

• Closeness to the true value

• The type of instrument used

• Closeness of repeated measurements

What should you wear when working with chemicals?

• Safety goggles

• No protection needed

• Sunglasses

• Regular glasses

What is a controlled variable?

• The main focus of the experiment

• Variables kept constant

• The variable that is changed

• The variable being tested