Experimental Design

The water is warm is an...

• observation

• inference

Tags

NGSS.MS-PS3-4

The surfer is wearing a red shirt is an...

• observation

• inference

An experimental design needs to be based on a testable question.

• true

• false

Tags

NGSS.HS-PS1-3

The variable the experimenter changes is called the...

• dependent variable

• controlled variable

• independent variable

• switched variable

Tags

NGSS.MS-PS2-2

The dependent variable is what the experimenter...

• changes

• measures

• keeps the same

• does not know

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Factors in an experiment that need to stay the same are called...

• constants

• independent variables

• dependent variables

• unknowns

Tags

NGSS.MS-PS1-2

The group in an experiment which is used for comparison is called the...

• experimental group

• control group

• repetitive group

• standard group

Which of the following would be the most valid set of data?

• an experiment with data from 2000 participants

• an experiment with data from 10 participants

• an experiment with data from 200 participants

• an experiment with data from 500 participants

Tags

NGSS.HS-PS1-3

"If a student gets 10 hours of sleep, then his/her test scores will improve because rest effects grades" is a(n)...

• scientific fact

• testable question

• hypothesis

• old wives tale

If you were experimenting to determine if sound affects plant growth, the only thing that should change between experimental groups is...

• the amount of water the plants get

• the amount of fertilizer in the plant soil

• the amount of sunlight plants are exposed to

• the sound the plants are exposed to

Tags

NGSS.MS-LS1-5