Methods of Science

3. Theory: An explanation of observations or events that is based on knowledge gained from many observations and investigations.
4. The median is the middle number in a data set when the data are arranged in numerical order.
7. The mode of a data set is the number or item that appears most often.
11. Any factor that can have more than one value.
13. An interpretation of observations.
14. Law: A rule that describes a pattern in nature.
15. A spoken or written summary of an observation.
17. Variable: The factor that is changed by the investigator to observe how it affects a dependent variable.

1. A possible explanation for an observation that can be tested by scientific investigations.
2. Variable: The factor a scientist observes or measures during a experiment.
5. A larger explanation of an observation that is drawn from prior knowledge or experience.
6. The act of using one or more of your senses to gather information and take note of what occurs.
8. : A statement of what will happen next in a sequence of events.
9. Range is the difference between the greatest number and the least number in the data set.
10. The mean or average of a data set is the sum of the numbers in a data set divided by the number of entries in the set.
12. Thinking: Comparing what you already know about something to new information and deciding whether or not you agree with the new information.
16. digits: The number of digits in a measurement that are known with a certain degree of reliability.