NOS Review

Which of these is true about Qualitative and Quantitative Observations?

• Only one uses numbers

• Both can be made during an experiment

• One is more descriptive (uses words)

• All of these

Which of these is not an example of a scientific process?

• Inferring

• Observing

• Experimenting

• Guessing

What is an experiment?

• an experimental subject that is purposefully not tested

• the variable that responds to the manipulated variable

• knowledge acquired by observation or experimentation

• a method of testing a hypothesis using controlled conditions and clearly defined variables

What is an investigation?

• a method of testing a hypothesis using controlled conditions and clearly defined variables

• form of scientific inquiry; uses observations to explore and explain phenomena in the environment

Tags

NGSS.MS-PS2-2

NGSS.MS-LS1-1

What is the difference between experiments and investigations?

• One always uses clearly defined hypotheses and variables

• Both always use hypotheses

• Both answer scientific questions

• None of these

Why do we perform experiments and investigations?

• To get good science grades

• To learn the scientific method

• To learn about the world around us

Tags

NGSS.MS-PS1-2

What is a dependent variable?

• an experimental subject that is purposefully not tested

• the variable that responds to the manipulated variable

• knowledge acquired by observation or experimentation

• a method of testing a hypothesis using controlled conditions and clearly defined variables

Which of the following describes a model?

• the variable that is manipulated to test a hypothesis

• a theory that is proven with evidence, and widely accepted as true

• something used to represent, explain or illustrate a concept or an object

• none of these

Tags

NGSS.MS-LS2-3

NGSS.MS-PS1-1

NGSS.MS-PS3-2

What is an independent variable?

• the variable that is manipulated to test a hypothesis

• a theory that is proven with evidence, and widely accepted as true

• the variable that responds to the manipulated variable

• the variable that stays the same

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

What is a constant variable?

• Responds to the independent variable

• Directly tested (and changed) by the scientist

• Intentionally kept the same by the scientist

• Intentionally omitted by the scientist

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5