The Scientific Method

The independent variable in an experiment is

• A. the variable that you hope to observe in an experiment

• B. the variable that is NOT changed in an experiment

• C. the variable that you change in an experiment

• D. none of these are correct

Quantitative observations

• A. describe qualities observed

• B. are difficult to observe during an experiment

• C. contain a measurement (number and unit)

• D. are less desirable that qualitative observations

A scientific model is a

• A. representation of a real event or object

• B. way to show a mathematical theory

• C. small building used to conduct experiments

• D. new theory that takes the place of an incorrect one.

Tags

NGSS.MS-LS1-2

NGSS.MS-LS2-3

A standard for comparison in an experiment is the

• A. independent variable

• B. control group

• C. constant variable

• D. dependent variable

A statement that describes what happens in nature is a

• A. scientific law

• B. scientific theory

• C. hypothesis

• D. variable

A statement that describes why something happens in nature is a

• A. scientific law

• B. scientific theory

• C. hypothesis

• D. conclusion

The process of gathering information through the senses is called

• A. concluding

• B. inferring

• C. analyzing

• D. observation

Tags

NGSS.MS-LS1-8

An organized process used to gather information and test a hypothesis is:

• A. an exercise

• B. an experiment

• C. a problem

• D. a constant

Tags

NGSS.MS-PS1-2

Something that changes in an experiment because of a change in the independent variable is the:

• A. dependent variable

• B. control

• C. hypothesis

• D. constant

An educated guess is a

• A. analysis

• B. experiment

• C. conclusion

• D. hypothesis