Chemistry Unit: Chemical Reactions
Laws and theories Law – a generalization that describes the behavior of nature. i.e. Law of Definite Proportions Theory – an explanation of observations.
Matter
Section 2.4 Chemical Reactions. Iron is abundant, easy to shape when heated, and relatively strong, especially when mixed with carbon in steel. Over time,
Physical and Chemical Change. Clues of a Chemical Change A new colour appears eg. Oxygen Indicator Solution.
Physical and Chemical Changes. Objective: Chemical/Physical Change □ The learner will be able to distinguish between a physical and chemical change.
