1. 1.1.3 Scientific Method & Experimentation Follow-Me – iQuiz

2. Q. After formulating an hypothesis a scientist will then progress her investigation by devising a series of … and then carefully analysing the resulting … A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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4. Q. Suggest where a scientist may publish the results of her investigations A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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6. Q. In relation to the scientific method, explain the term experiment. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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8. Q. In relation to the scientific method, explain the term theory. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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10. Q. How does a hypothesis differ from a theory? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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12. Q. True or False. In science, a hypothesis is an educated guess based on observations. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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14. Q. Explain the importance of double-blind testing in scientific experimentation. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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16. Q. Why is it a good idea to repeat an experiment? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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18. Q. True or False. In experiments the factor that is changed is called the dependent variable. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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20. Q. When investigating the effect of a mineral on wheat growth. Suggest a reason why the seeds used were all taken from one parent plant. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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22. Q. The compost was sterilised at the start of the investigation. Suggest a way in which this may have been achieved. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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24. Q. Why were the young wheat plants divided into two equal groups? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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26. Q. During the investigation the two groups of plants were kept under identical conditions. Why was this? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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28. Q. Name two conditions you think they would have kept constant during the investigation. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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30. Q. Why was the investigation repeated several times before the results were published? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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32. Q. What is meant by metabolism? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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34. Q. What is a hypothesis? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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36. Q. What might an hypothesis develop into? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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38. Q. Why is a control important in an experiment? A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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40. Q. State two ways in which the results of an experiment may be presented. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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42. Q. Explain the term Data in relation to the scientific method. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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44. Q. Explain the term Replicate in relation to the scientific method. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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46. Q. Explain the term Theory in relation to the scientific method. A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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48. Q. As a result of observations a scientist may formulate a … A proven hypothesis As experiment and control FALSE Experiments / Data Educated guess based on observation Hypothesis supported by experiment Hypothesis can develop into a theory Hypothesis Heat or named chemical or irradiation Measurements or observations or information gathered from an experiment Standard for comparison Temperature; Light; pH; CO 2 ; Humidity; Other minerals; H 2 O Test of hypothesis or test of prediction To ensure statistical reliability Make a duplicate(s) of an experiment or procedure TRUE To minimise genetic variation To have only one variable To verify results; Statistical reliability; Minimise error A Theory Scientific journal; Internet All chemical reactions taking place in living organisms Table; Graph Avoidance of bias

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