Scientific Method and Measurement

Which of the following is an example of quantitative data?

• Recording the odor of a chemical
• Recording the length of an insect
• Describing the hunting behaviors of a species of birds
• Describing the texture of the fur of a raccoon

The gram is a unit commonly used for which of the following?

• volume
• length
• mass
• density

Which piece of equipment would be best for measuring out 35 mL of water?

• graduated cylinder
• triple beam balance
• pipette
• metric ruler

Which of the following is the best procedure for correctly reading a graduated cylinder?

• Read the measurement at the top and middle of the meniscus
• Read the measurement at the bottom and middle of the meniscus
• Read the measurement at the top and side of the meniscus
• Read the measurement at the top and side of the meniscus

Which of the following would follow the formation of a hypothesis according to the scientific method?

• Make an observation
• Make a conclusion
• Perform data analysis
• Perform an experiment

In a controlled experiment, how many factors can be tested at a time?

• one 
• two
• three
• as many as needed

Which of the following is a correct description of the independent variable?

• The factor that is kept the same in every group
• The variable that is purposely changed by the experimenter and is different in every group
• The variable that is watched, measured and observed during the experiment to see how it changes

Which piece of lab equipment would be used to measure out 16 grams of sugar?

• graduated cylinder
• beaker
• triple beam balance
• test tube

The milliliter is the unit used when measuring which of the following?

• Length
• Mass
• Volume
• Density

Which of the following would not be found in the conclusion statement?

• A statement whether the hypothesis is supported or refuted
• Alternative explanations for the results
• A step by step procedure for the experiment
• Ideas for additional research