Scientific Investigation

Terms

Problem – The question Materials – A list of everything you need Hypothesis – Your guess at the answer to the problem Procedure – Step – step directions Data – The chart where observations are recorded Results – Graph of the information from your data Conclusion – The answer to the problem Observing – Using one or more of your senses Senses – Sight

• Hearing• Smell• Taste• Touch

Scientific Method

People In Hawaii Eat Dead Raw Chicken.P – Problem I – Information – Research - MaterialsH – Hypothesis (Educated guess) (If. . .then)

E – Experiment – Procedures (Step by step)D – Data (observations)R – ResultsC – Conclusion

VARIABLES

Variable – Factors that can change in an experimentManipulated Variable – The variable that you purposely

change and test.Responding Variable – Factor that may change as a

result of the manipulated variable.

Controlling Variable – Keeping all conditions the same except for the manipulated variable.

Terms continued

Qualitative – Descriptions that do not use numbers. Quantitative – Descriptions using numbers. Counting objects or

measure them with standard units. Inferring – Explaining or interpreting an observation or statement. Predicting – Making an inference about a future event based on

current evidence or past experience. Classifying – Organizing objects and events into groups according

to a system, or organizing idea. Models – Pictures, diagrams, or other representations of objects or

processes. Measuring – Comparing an object or process to a standard.

Ways To Display Data

Data Table – is an organized arrangement of information in labeled rows and columns.

Bar Graphs – is a diagram in which data about separate but related items are represented by

rectangular shapes called bars.

Line Graphs – is used to display data that show how one variable (the responding variable) changes in response to another

variable (the manipulated variable).Circle Graph – shows data as parts of a whole.

Different Types of Graphs

Circle (Pie), Bar and Line Graphs