Chapter 1 Flashcard

Front

In a controlled experiment, how many variables can be worked with at a time?

Back

One variable can be worked with at a time in a controlled experiment.

Front

What type of data is recorded by describing leaves as 'green', 'slightly yellow', 'very yellow', or 'orange'?

Back

Qualitative data.

Front

In an experiment to find out how the height from which a ball is dropped affects how high it bounces, what is the dependent variable?

Back

The height that the ball bounces.

Front

What is the summary at the end of an experiment that explains the results called?

Back

Conclusion.

Front

What is the smallest unit of life?

Back

Cell.

Front

What is a controlled experiment?

Back

An experiment where only one variable is changed at a time to isolate its effects.

Front

What is the difference between quantitative and qualitative data?

Back

Quantitative data is numerical and can be measured, while qualitative data describes characteristics and qualities.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between two or more variables.

Front

What is the independent variable in an experiment?

Back

The variable that is changed or manipulated by the researcher.

Front

What is the purpose of a control group in an experiment?

Back

To provide a baseline for comparison against the experimental group.