7th grade science Flashcards
What is an catalyst
An catalyst is an speeds up the reaction.
What is an exothermic
Is something that is super very hot
What is an chemical reaction
An chemical reaction is something that causes rearrangement
What is precipitate
Per patter is something that you have to have an pose too
What is an acids and bases
An chemical that can lead out bad chemicals to turn body
What is an endothermic
Endothermic is something very cold that you can’t hold
What is the conversation of mass
It destroyed an chemical reaction
What is an observation that an chemical reaction has occured
It is an gas problem here
What is the difference between physical and chemical change
They are not the Sam because one chemical is faster than another
What is the temperature effect on reaction speed
At least 20% of it all
