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___________ is anything that takes up space and has mass.
Matter
______________ is the study of matter, its’ properties and how it changes.
Chemistry
A ______ change in matter does not alter the chemicals in the subject.
physical
A ___________ change is where the item has undergone a chemical reaction and become a new substance.
chemical
Cutting paper, crushing a can, melting ice or freezing water are examples of what kind of change?
Physical change
A _________ _________ is when a substance is chemically changed into something else
Chemical Reaction
Burning a log, baking a cake, mixing together vinegar and baking soda are all examples of what kind of change?
Chemical Change
The most basic unit of matter is the
atom
Matter cannot be created nor destroyed, only transformed. This is the Law of
Conservation of Mass/Matter
__________ are the chemicals being mixed together.
Reactants
_______ are the final result from the reactants mixing.
Products
________________ are groups of atoms that are chemically bonded together.
Molecules
The part of the atom with no charge
Neutron
Part of the atom with positive charge
Proton
Part of the atom with negative charge
Electron
To make sure that all of the mass and the matter is conserved, chemical equations need to be
balanced
