Earth Sci Scientific Method Review

The variable that we change 

is called the…

• Dependent variable

• Independent variable

• Control variable

• Experimental variable

A variable that cannot be changed 

is called…

• Dependent variable

• Independent variable

• Control variable

• Experimental variable

The result of the experiment or what you are measuring and looking for is called the __________ variable.

• Dependent

• Independent

• Control

• Extraneous

A scientific investigation always begins with…

• forming a hypothesis

• an observation

• conducting an experiment

• data analysis

Experiments must always 

be repeated to…

• confirm the results

• have different results

• extend the experiment

• use more resources

How many independent variables (manipulated) can an experiment have?

• Only one

• Up to two

• Possibly three

• As many as needed

Tags

NGSS.MS-PS2-2

The responding variable is also known as the…

• Independent variable

• Dependent variable

• Control variable

• Extraneous variable

The manipulated variable is also known as the…

• Dependent variable

• Control variable

• Independent variable

• Outcome variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

This type of observation uses data.

• Qualitative observation

• Observational study

• Quantitative observation

• Indirect observation

Tags

NGSS.MS-LS2-1

NGSS.MS-PS1-2

This type of observation does NOT use numbers.

• Quantitative observation

• Qualitative observation

• Direct observation

• Indirect observation