This packet is a great way to start a chemistry unit. These handouts will help students discover the basic differences between physical changes and chemical changes. This lesson helps students move to a higher level of critical thinking and understanding about chemical reactions.
NGGS Standard: MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it. (MS-PS1-2)