Lesson 2: Science 6 A Final answers
2002040 M/J COMPRE SCI 1 - T1 Unit 5: Science 6 A Final
1. What is a scientific hypothesis?
A scientific hypothesis is a proposed explanation for a phenomenon that can be tested with observations or experiments.
2. What is the difference between an independent variable and a dependent variable?
An independent variable is a factor that is deliberately manipulated in an experiment. A dependent variable is the factor that is measured or observed as the result of changes to the independent variable.
3. What is a control group?
A control group is a group in an experiment that is used as a basis of comparison to evaluate the results of the experimental group.
4. What is meant by the term “significant difference” in scientific research?
A significant difference in scientific research indicates a difference that is unlikely to have occurred by chance.
5. What is the scientific method?
The scientific method is a systematic approach used in scientific research that involves observation, hypothesis formation, experimentation, and analysis to develop and test explanations of phenomena.