Unit 1 Review: Introduction to environmental science

Scientists call the organized ways they answer questions the _________________________ .

• scientific method
• scientific explanation
• scientific notation
• scientific guesses

The information you record in an experiment is called your ____________.

• data
• conclusions
• notebook
• inquiry

In a well designed experiment, you should change how many variables?

• only one
• no more than two
• none at all
• as many as are needed

The one variable you change is called the ___________ variable.

• independent
• dependent
• controlled

The change that happens because of your experiment is called the ___________ variable.

• independent
• dependent
• controlled

Tags

NGSS.MS-PS1-2

Everything you want to remain the same or unchanged is called are called  the ___________ variables.

• independent
• dependent
• controlled

Theory or Law???  Is a DESCRIPTION of what a scientists expects to happen every time under a certain set of conditions.

• Law
• Theory

Theory or Law???  Is a well-tested EXPLANATION for a wide range of observations and experimental results.

• Law
• Theory

A scientific theory...

• is based on lots of evidence

• is not valid because it can be disproven

• is not based on reliable evidence

• has not been tested many times

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

Theory or Law?

_________ of Thermodynamics: Describes how heat always travels from areas of high temperature to areas of low temperature.

• Theory

• Law

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4