Category 1
To examine and gather data.
Investigate
A table in which all the known elements are arranged by properties and are represented by chemical symbols.
Periodic Table of Elements
The process by which one or more substances change to produce one or more different substances.
Chemical Reaction
To show or establish a connection between things.
Relate
The smallest particle of an element; made of electrons, protons and neutrons.
Atom
Chemical formulas and symbols written to represent a reaction.
Chemical Equations
To apply something for a purpose.
Uses
A measure of how much matter is present in a substance.
Mass
The law that says matter is neither created nor destroyed in ordinary chemical or physical processes.
Conservation of Matter
To prevent the loss of something
Conserve
A number placed in front of a chemical symbol or formula that represents the number of molecules.
Coefficient
A shorthand notation that uses chemical symbols and numbers as subscripts to represent the type and number of atoms that are present in the smallest unit of a substance.
Chemical Formula
A substance produced during a chemical reaction
Product
A number written below and to the right of a chemical symbol that shows the number of a specific type of atom present.
Subscript
A substance that takes part in and undergoes change during a chemical reaction.
Reactant
A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction converts carbon dioxide and water into sugar (glucose) and oxygen.
Photosynthesis