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DO-NOW 8th Grade Science Volume 0 Complete the following sentence stem on your index card. 1. During a _____________, new __________ with _________ __________ are formed. 2. One thing related to chemistry that I would like to do today is… 8th Grade Science Today’s Schedule 1. Do-Now 2. Cornell Notes 3. Microchemistry Objectives: Today we will… 8.5 (E) investigate how evidence of chemical reactions indicate that new substances with different properties are formed Dark Matter 8th Grade Science Cornell Notes Questions: Evidence of a Chemical Reaction Chemical change… Evidence of a chemical reaction… Summary… 8th Grade Science Evidence of Chemical Change Questions: Write 4 questions that can be answered by your notes to the right. Summary… Evidence of a Chemical Reaction Chemical change… Evidence of a chemical change… 8th Grade Science Evidence of Chemical Change Questions: Evidence of Chemical Reactions Chemical change… Evidence of a chemical change… Summary… Summary will answer your 4 questions. 8th Grade Science Evidence of Chemical Change Questions: Evidence of Chemical Reactions 1. 2. 3. 4. Gas formed (bubbles/odor) Color Change Heat absorbed or released (gets hot or cold) Precipitate formed (mix two liquids and solid forms) Evidence of chemical reactions indicates that new substances with different properties are formed. Summary… 8th Grade Science Observing Chemical Reactions Chemical A Copper Nitrate Cobalt Nitrate Calcium Carbonate Sodium Bicarbonate Chemical B Ammonium Vannidate Na3PO4 H2O Acetic Acid Observations before and after reaction 8th Grade Science Rally Robin Stand up. Find someone from another table. Partner A shares, partner B listens. Partner B shares, partner A listens. Find another partner. I know a chemical change has taken place when I observe… 8th Grade Science I know a chemical change has taken place when I observe… Illustration: 8th Grade Science 8th Grade Science Today’s Schedule 1. Do-Now 2. Cornell Notes 3. Microchemistry Objectives: Today we will… 8.5 (E) investigate how evidence of chemical reactions indicate that new substances with different properties are formed Dark Matter 8th Grade Science Exit Ticket Complete the following on the sticky note at your desk. You know a chemical reaction has happened if you observe… 1. 2. 3. 4.
