Lab Safety and Scientific Method Quiz

Which of the following is NOT a proper lab safety procedure?

• Wearing safety goggles

• Tasting unknown substances to identify them

• Tying back long hair

• Washing hands after the experiment

In the scientific method, what typically comes after forming a hypothesis?

• Asking a question

• Conducting background research

• Designing and performing an experiment

• Drawing conclusions

Tags

NGSS.MS-PS1-2

Which statement best describes the role of observations in the scientific method?

• They are used only at the end of an experiment

• They form the basis for asking questions and forming hypotheses

• They are less important than measurements

• They are only made during the experimental phase

What is the primary purpose of a control group in an experiment?

• To provide entertainment for the scientists

• To serve as a basis for comparison

• To make the experiment more complicated

• To use up extra materials

Which of the following is an example of a testable hypothesis?

• The moon is made of cheese

• Plants are prettier than animals

• Increased sunlight will result in faster plant growth

• Science is the best subject in school

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What should you do if you accidentally spill a chemical in the lab?

• Clean it up yourself without telling anyone

• Immediately inform your teacher or lab supervisor

• Cover it with a paper towel and continue working

• Evacuate the lab immediately

What does this tool protect?

• Goggles protect the eyes.

• Googles protect clothing.

• Goggles protect your hands.

Which of the following is NOT an essential component of a well-designed experiment?

• A control group

• A variable that is being tested

• A hypothesis

• A guarantee of the desired results

What is the main difference between an independent and dependent variable?

• Independent variables are changed by the researcher, while dependent variables are measured/observed

• Dependent variables are changed by the researcher, while independent variables are observed/measured

• Independent variables are always numerical, while dependent variables are always objective

• There is no difference; they are interchangeable terms

Which safety equipment should always be easily accessible in a science lab?

• Fire extinguisher

• First aid kit

• Eye wash station

• All of these