Review Quiz 1: Nature of Science

A scientist wants to investigate the effect of temperature on plant growth. What is the independent variable in this experiment?

• Plant growth

• Temperature

• Soil type

• Amount of sunlight

In an experiment, the variable that is measured and recorded is called the:

• Independent variable

• Dependent variable

• Control variable

• Constant variable

Which of the following is an example of an observational study?

• Testing different types of fertilizer on plant growth

• Observing the behavior of ants in a colony

• Comparing the effectiveness of two medications

• Conducting a survey to gather opinions

What is the purpose of analyzing data in a scientific investigation?

• To determine the hypothesis

• To identify variables

• To make predictions or defend conclusions

• To form a conclusion

Which of the following statements describes a control group in an experiment?

• It is the group that receives the experimental treatment

• It is the group that is kept under normal conditions

• It is the group that is exposed to all variables

• It is the group that is not part of the experiment

What is a hypothesis?

• A proven fact

• An educated guess

• An experimental procedure

• A final conclusion

Tags

CCSS.RI.5.3

CCSS.RI.5.5

CCSS.RI.6.3

CCSS.RI.6.5

CCSS.RI.7.3

Which of the following best describes the process of peer review in science?

• The evaluation of a scientific investigation by other scientists in the field

• The sharing of results with the general public

• The comparison of multiple experiments on the same topic

• The replication of an experiment to verify results

Which of the following is NOT a characteristic of a well-designed experiment?

• Clear and measurable variables

• Random selection of participants

• Proper controls to eliminate bias

• Replication of the experiment for validation

What is the purpose of a conclusion in a scientific investigation?

• To summarize the data collected

• To speculate on future experiments

• To communicate the findings to others

• To propose alternative hypotheses

Which of the following is an example of qualitative data?

• Temperature of water in Celsius

• Height of a plant in centimeters

• Color of a flower petal

• Volume of air in milliliters