Unit 0 Review

Front

What is an independent variable?

Back

The independent variable is the factor that is changed or manipulated in an experiment to observe its effect 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 is affected by changes in the independent variable.

Front

Convert 7,000 grams to kilograms.

Back

7 kg

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is changed to observe its effect on the dependent variable.

Front

In an experiment measuring the effect of fertilizer on plant height, what is the dependent variable?

Back

Height of the plants.

Front

In an experiment testing how exercise affects heart rate, what is the independent variable?

Back

Amount of exercise.

Front

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

Back

The control group is used as a standard for comparison to determine the effect of the independent variable.

Front

What is a hypothesis?

Back

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

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 is a variable in an experiment?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types.