Variables

Front

What is a variable?

Back

A variable is a factor or condition that can change in an experiment.

Front

What is an independent variable?

Back

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

Front

What is a dependent variable?

Back

The dependent variable is the factor that is measured or observed in an experiment, which changes in response to the independent variable.

Front

What is a hypothesis?

Back

A hypothesis is an educated guess about the outcome of an experiment.

Front

Why is it important to test only one variable at a time?

Back

Testing one variable at a time helps to determine which variable is causing the change in the experiment.

Front

What is a controlled variable?

Back

A controlled variable is a factor that is kept constant throughout an experiment to ensure that the results are valid.

Front

How many times should an experiment be repeated for reliable results?

Back

Each trial in an experiment should generally be repeated at least 3 times.

Front

What is the purpose of an experiment?

Back

The purpose of an experiment is to test a hypothesis and determine if it is supported or not.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What does it mean to analyze data?

Back

Analyzing data means examining and interpreting the results of an experiment to draw conclusions.