Science Quiz 1 (Introduction to Science)

• Variable


  A factor / something that can be changed or affect the outcome of an experiment.
• Independent Variable (changed)


  A variable that is changed by the investigator (changed on purpose)

  Example: You can CHANGE the tempature of an oven.
• Dependent Variable (responding)


  A variable that changes in response to the independent variable.

  Example: The pizza's ability to cook DEPENDS on the tempature of the oven.
• Control Variable


  A variable that doesn't change in an experiment

  Example: Oven rack, cook time, pizza dough
• Controlled Experiment


  When the independent variable in an experiment is changed to see the effects it has on the dependent variable in the experiment.
• Correlational Study


  A study where the researcher looks at the relationship between two variables

  Example: Study time and Grades. Smoking and lung cancer.
• Observational Study

  A study where researchers observe something in order to gather more information to answer a question
• Scientific Inquiry


  Refers to the many ways scientists study the natural world and come up with explanations based on evidence from their work.
• Scientific Method


  Refers to experimental techniques that are used in sciences that involve facts through testing a scientific hypothesis.
• Qualitative


  Qualities or sensible observations using your five senses.
• Quantitative


  Quantifiable or measured observastions using numbers.
• Observations


  Facts or data you can use your senses to prove.
• Inferences


  Things we want to prove happened