Scientific Method Test Review Vocabulary: Define Science Dependent variable Independent variable Observation Peer Review Experiment Questions Constant ethics inference qualitative data theory Experimental Group Control Group evidence investigation quantitative data variable Data Controlled Variables hypothesis scientific law science validity Scientific Method Answer the following questions 1. Name the steps in the scientific method. 2. Explain a scientist’s first step in the scientific method. 3. Give an example of an observation that a scientist might make. 4. Scientists use their ______ to make observations. 5. What is a hypothesis? 6. A hypothesis must be_____ and it ______ an outcome. 7. Some hypotheses are written as ______statements. 8. Write a hypothesis for the observation you wrote in question 3. 9. What is an experiment? 10. What part of an experiment is the variable? 11. How many variables should there be in a good experiment? 12. An experiment changes _____factor and then observes and ____what happens. 13. Other factors in an experiment must be kept _____so they won’t effect the _______. 14. What are these constant factors called? 15. What is the purpose of having a control in an experiment? 16. Name the two types of variables in an experiment. 17. What is the independent variable? 18. What is the dependent variable? 19. In the experiment to find the fastest route to school, what serves as: a- The independent variable? b- The dependent variable? c- The control variable? 20. The best experiments make ____trails with the independent variable. Valid Experiments 21. Name the two groups needed to have a valid experiment. 22. What is data? 23. What are the two types of data? 24. If the data is numbers, this is called _____data. 25. To be useful, collected data must be_____. 26. Name 3 ways of organizing data. 27. What is the conclusion of an experiment? 28. What must be done to verify the results of an experiment?