Intro to Chemistry Review

Front

What is matter that has a definite and uniform composition called?

Back

Substance

Front

What type of data is represented by numerical values, such as the height of a plant?

Back

Quantitative data

Front

In an experiment, what is the control group?

Back

The group that does not receive the experimental treatment, used for comparison.

Front

What type of data describes characteristics or qualities, such as color or odor?

Back

Qualitative data

Front

What is the series of steps used by scientists to solve a problem or answer a question called?

Back

Scientific method

Front

What is the difference between qualitative and quantitative data?

Back

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

Front

What is an example of a substance?

Back

Water (H2O), salt (NaCl), or any material with a uniform composition.

Front

Why is it important to have a control group in an experiment?

Back

It allows for comparison to determine the effect of the experimental treatment.

Front

What is the first step in the scientific method?

Back

Making an observation or asking a question.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between variables.