Observational Skills
Scientific Method
Data Analysis
100

An observation based on the observer's subjective interpretation of what they see, hear, smell, taste, or feel.

What is a qualitative observation?

100

A variable that is manipulated or changed by someone in an experiment

What is an independent variable?

100

Data that measures values or counts and are expressed as numbers.

What is quantitative data?

200

The prediction that a scientist make who is undertaking the experiment.

What is the a hypothesis?

200

A way to visually represent data

What is a graph?

200

A visual representation that shows a relationship between two variables which are numerical in nature

What does a line graph show?

300

Obtained by adding up all the numbers then dividing by the size of the data set

What is the mean of a data set?

300

The variable that is being measured or tested in an experiment.

What is a dependent variable?

300

Testing the validity of results to ensure that they are no fluke or a random occurrences.

What is repetition?

400

A variable that is held constant in an experiment

What is a controlled variable?

400

By repeating the experiment under the same conditions.

How do you ensure reliability in an experiment?

400

The unchanged group to which comparisons are made in an experiment.

What is the purpose of a control group?