Scientific Method and Parts of Experiment

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Tags

NGSS.MS-PS2-2

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Tags

NGSS.HS-PS1-2

Which variable depends on what is done at the beginning of an experiment?

• Dependent
• Independent
• Control
• Following

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth
• Color of the plant's leaves

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Squidward found new reeds to tryout for his clarinet.  He used an APPLAUSOMETER to measure applause after playing  Under the Sea with each reed.  The results were put in the table.
What was the independent variable?

• The Song
• The Reed
• The Applause

Mr. Krabbs is trying a new money making scheme.  On Tuesdays he is selling his crabby patties on multicolored buns.  He usually averages 25 customers per day.  On Tuesdays he now averages 27 customers. 
What was the dependent variable?

• The customers 
• The crabby patty
• The multicolored buns
• The number of customers

A hypothesis is part of the scientific method. True or False?

• False 
• True

Tags

NGSS.MS-LS2-4

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

Suzan usually walks to school. She wants to see if running to school will help her do better on quizzes in first period. (What is her Independent Variable?)

• How far she walks
• Running to school
• Walking to school
• How well she does on quizzes

In a hypothesis, you should see the words _____ and then.

• if
• that
• now
• when