True or False: A hypothesis must be stated in a way that is testable.

• True
• False

In a "controlled" experiment, how many variables should you change at a time?

• 4
• 3
• 6
• 1

Tags

NGSS.MS-PS2-2

Procedure

• Educated guess that can be tested
• Step by step plan of the experiment
• The purpose of the experiment; what is to be answered
• Variable that is to change on purpose

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-3

Data

• Conclusion or reason proposed to explain an observation
• Act of recognizing a fact
• Information organized for analysis

Observation

• Act of recognizing a fact using your senses
• Information organized for analysis
• Conclusion or reason proposed to explain an observation

The variable that you change in the experiment. Also called the manipulated variable.

• Controlled
• Dependent
• Independent
• Responding

Dependent Variable

• Variable that is to change on purpose
• Variable that is the result of what happened and is considered the data
• Variable that nothing was done to

An organism that produces its own food supply from inorganic compounds is called a(an)

• heterotroph
• consumer
• detritivore
• autotroph

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

Tags

NGSS.HS-LS1-5

What is the term for each step in the transfer of energy and matter within a biological community?

• energy path
• food web
• trophic level
• food pyramid

Tags

NGSS.HS-LS2-3