Unit 0 Review Quiz

What is the first step in the Scientific Method?

• Conduct research

• Form a hypothesis

• State the problem

• Perform an experiment

Which of the following best describes a hypothesis?

• A detailed observation about the problem

• An educated guess based on observations

• A method to test your hypothesis

• The data collected from an experiment

What should you do after forming a hypothesis in the Scientific Method?

• Analyze the data

• Conduct research

• Perform an experiment

• Reach a conclusion

In the example provided, what is the hypothesis?

• Will I need a sweater today?

• Check the weather forecast

• If I wear a sweater today, then I will be too warm

• At 7:30 am, it is already 64°F

What is a controlled experiment?

• An experiment that contains only one independent variable

• An experiment that contains multiple independent variables

• An experiment that does not have any variables

• An experiment that does not require a hypothesis

What is an independent variable?

• The data collected from an experiment

• The part of an experiment that is controlled or predictable

• What changes in response to the independent variable

• The conclusion drawn from the experiment

What is a dependent variable?

• The data collected from an experiment

• The part of an experiment that is controlled or predictable

• What changes in response to the independent variable

• The conclusion drawn from the experiment

What is the independent variable in the example: "What is the effect of an oatmeal based skin treatment on my dog’s dry skin?"

• The dog's dry skin

• The oatmeal based skin treatment

• The dog's diet

• The dog's exercise routine

In the example "How does a change in light affect the growth of a plant?", what is the dependent variable?

• The type of plant

• The amount of water

• The change in light

• The growth of the plant

Which type of data refers to information that can be reproducibly measured and expressed numerically?

• Qualitative data

• Quantitative data

• Observational data

• Hypothetical data