Chem Final Semester 1

Chemistry is the study of _____.

• energy

• cells

• matter

• life

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3

NGSS.HS-PS1-4

NGSS.HS-PS1-5

The scientific process is best described as a _____ way of analyzing a problem.

• random

• creative

• systematic

• rushed

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-4

A testable prediction based on research is called a _____.

• law

• theory

• hypothesis

• variable

Tags

NGSS.HS-PS1-2

In a controlled experiment, how many variables are changed at one time?

• Multiple

• Zero

• Two

• One

The variable intentionally changed by the scientist is the ____ variable.

• dependent

• constant

• responding

• independent

A scientific theory explains ____ something happens.

• who

• when

• how or why

• where

Tags

NGSS.HS-PS1-2

NGSS.HS-LS3-2

NGSS.HS-LS4-2

A scientific law describes ____ is happening in nature.

• why

• what

• how

• who

Tags

NGSS.HS-PS2-1

SI units are also known as the _____ system.

• English

• customary

• imperial

• metric

Which SI unit measures mass?

• meter

• second

• liter

• gram

Scientific notation is especially useful for very _____ numbers.

• odd

• normal

• large and small

• negative