Investigation Keywords

Discontinuous

• A variable that can only be a certain value

• Variable that is changed or altered by the scientist

• An idea that is a way of explaining scientists’ observations

• A variable that has values that are words

Continuous

• A variable that can only be a certain value

• A variable that has values that are words

• A variable that has values that can be any number within a range

• Words or numbers that you obtain when you make observations

Control variable

• A property of a material that you can observe or measure

• Variable that is kept the same to prevent it from interfering with the results

• A variable that can only have whole number values

• An average of a set of data

Independent variable

• Variable that is changed or altered by the scientist

• A variable that has values that can be any number within a range

• Variable that is measured by the scientist as a ‘result’

• Observations and measurements that support or disprove a scientific theory

Dependent variable

• A way of representing data when one variable is categoric or discrete

• Variable that is changed or altered by the scientist

• Variable that is measured by the scientist as a ‘result’

• What you have found out during your investigation

Hypothesis

• A way of representing data when one variable is categoric or discrete

• What you have found out during your investigation

• The difference between the lowest and the highest values a variable can have

• An idea that is a way of explaining scientists’ observations

Physical property

• Observations and measurements that support or disprove a scientific theory

• A property of a material that you can observe or measure

• Variable that is changed or altered by the scientist

• Variable that is kept the same to prevent it from interfering with the results

Bar chart

• A way of presenting results when there are two numerical variables

• A smooth line on a graph that travels through or very close to as many plotted points as possible

• A way of representing data when one variable is categoric or discrete

• A way of presenting results when there are two numerical variables

Categoric

• Observations and measurements that support or disprove a scientific theory

• Variable that is measured by the scientist as a ‘result’

• Variable that is changed or altered by the scientist

• A variable that has values that are words

Conclusion

• What you have found out during your investigation

• An idea that is a way of explaining scientists’ observations

• Observations and measurements that support or disprove a scientific theory

• An average of a set of data