Chapter 1 Review/Exit

The final step in the scientific method is to ________.

• Design and conduct an experiment

• Report/publish

• Data Analysis

• Observation/Ask a question

Answer explanation

The final step in the scientific method is to report or publish findings. This allows others to review, replicate, and build upon the research, ensuring scientific knowledge is shared and validated.

Which of the following is NOT a characteristic of qualitative data?

• A) Descriptive information

• B) Numerical measurements

• C) Colors and textures

• D) Opinions

Answer explanation

Qualitative data is characterized by descriptive information, such as colors, textures, and opinions. Numerical measurements, as indicated in choice B, are characteristic of quantitative data, making it the correct answer.

Fill in the blank: Quantitative data can be ________ statistically.

• ignored

• analyzed

• described

• colored

Tags

NGSS.HS-LS3-3

In an experiment, the control variable is:

• The outcome being measured

• The factor that is changed

• Kept constant to ensure only the independent variable influences the dependent variable

• Not used

Answer explanation

The control variable is kept constant to ensure that only the independent variable influences the dependent variable. This helps to isolate the effects of the independent variable in the experiment.

True or False: The independent variable is the outcome or response being measured in an experiment.

• True

• False

Answer explanation

False. The independent variable is the factor that is manipulated in an experiment, while the dependent variable is the outcome or response being measured.

The factor that is intentionally changed by the researcher to observe its effects is known as the ________ variable.

• Dependent

• Independent

• Control

• Random

Answer explanation

The independent variable is the one that the researcher intentionally changes to observe its effects on the dependent variable. This distinction is crucial in experimental design.

Tags

NGSS.MS-PS2-2