VOCAB FLASHCARD: CHEMICAL REACTIONS & EQUATIONS

Front

Substance with pH < 7; increases hydrogen ion concentration.

Back

ACID

Front

AN ________ IS THE SMALLEST UNIT OF AN ELEMENT WITH ITS PROPERTIES

Back

ATOM

Tags

NGSS.MS-PS1-1

Front

Substance with pH > 7; increases hydroxide ions in solution.

Back

BASE

Front

Substance that increases reaction rate by lowering energy needed, unchanged by reaction.

Back

catalyst

Front

Change of state is:

Back

the process of changing (by heating or cooling) one form of matter into another form with different characteristics.

Tags

NGSS.MS-PS1-4

Front

Fire while camping shows a change when wood turns to ashes, which can't revert back.

Back

chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Process that breaks down food into smaller substances for energy: _________

Back

Digestion

Tags

NGSS.MS-LS1-7

Front

GOLD, SILVER, IRON, HELIUM, CHLORINE are what type of pure substance?

Back

element

Front

Chemical reactions that absorb heat are endothermic.

Back

true

Tags

NGSS.MS-PS1-6

Front

_________ is material with mass and volume

Back

Matter