Unit 1 IV,DV, Error,Experimental Tips Review (Calculator needed)

Front

What is an independent variable?

Back

An independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured and affected in an experiment, responding to changes in the independent variable.

Front

What are units of measurement?

Back

Units of measurement are standard quantities used to specify measurements, such as inches, feet, meters, etc.

Front

What is the purpose of conducting repeated trials in an experiment?

Back

Conducting repeated trials helps to ensure the reliability and accuracy of the results by minimizing the impact of random errors.

Front

How do you calculate the average of a set of numbers?

Back

To calculate the average, add all the numbers together and then divide by the total count of the numbers.

Front

What is an experimental tip for improving data accuracy?

Back

Testing a wide range of data points helps to ensure that the results are valid and applicable to various scenarios.

Front

What is the significance of controlling variables in an experiment?

Back

Controlling variables ensures that the experiment tests only the effect of the independent variable on the dependent variable, leading to valid conclusions.

Front

What is the formula for calculating the average of the numbers 8, 2, 6, 0, 9?

Back

(8 + 2 + 6 + 0 + 9) / 5 = 5.

Front

What is the role of a hypothesis in an experiment?

Back

A hypothesis is a testable prediction about the relationship between the independent and dependent variables.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.