Remembering 9th Grade Part 1

Front

How many variables should you change in an experiment?

Back

Only 1

Front

What scientific instrument is used to measure liquid volume?

Back

Graduated cylinder

Front

This refers to how close a group of measurements are to each other.

Back

Precision

Front

What is the term for the closeness of a measurement to the true value?

Back

Accuracy

Front

What is the purpose of a control in an experiment?

Back

To provide a standard for comparison

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes qualities or characteristics; quantitative data involves numbers and measurements.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between variables.

Front

What is the independent variable in an experiment?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

Front

What is the dependent variable in an experiment?

Back

The variable that is measured or observed in response to changes in the independent variable.

Front

What is the significance of repeating experiments?

Back

To ensure reliability and accuracy of results.