Scientific Method

What is a variable?

• Part of the experiment that does not change

• A questions that will be answered in the experiment

• A possible anser to a testable questions

• The part of the experiment that can vary or change

What are the 2 types of variables?

• Independent & dependent

• Qualitative & quantitative

• Testable questions & hypothesis

• Constants & materials

Tags

NGSS.MS-PS2-2

What is an independent variable? (select all that are correct)

• Variable that might change because of what the scientist changes.

• Variable that is changed by the scientist.

• The "I control" variable.

• What is being measured.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is the dependent variable? (select all that are correct)

• Variable that is changed by the scientist

• Variable that might change because of what the scientist changes

• The "I control" variable

• What is being measured

Tags

NGSS.MS-LS2-1

NGSS.MS-PS2-2

What is a testable question? (which is the best answer)

• A wild guess at the outcome of the experiment

• A part of the scientific method that can be skipped

• A question that will be answered in the experiment

Tags

NGSS.MS-PS2-2

What is a hypothesis?

• A possible answer to a testable question

• Something in an experiment that can vary and change

• A question that will be answered in the experiment

What must a testable question include? (select all that are correct)

• A constant

• The independent and dependent variables

• Uses the phrase: What effect does the IV have on the DV?

• A correct answer

Tags

NGSS.MS-PS3-4

Which of the following is not true of a hypothesis

• Does not have to be correct

• Is an IF...THEN statement

• Uses the format: "If IV, then DV"

• Must be correct

Tags

NGSS.MS-LS2-4

What is the constant in an experiment?

• The variable that is changed by the scientist

• The variable that might change because of what the scientist changes

• Three things in an experiment that must be kept the same

• A possible anser to a testable question.

What are used to make observations?

• Independent variable

• Dependent variable

• Hypothesis

• Five senses

Tags

NGSS.MS-LS1-8