March 11, th Grade Science March 11, th Grade Science Table of Contents: Announcements: NB check Friday 3/13 Chapter 8 Test Monday 3/16 Bring new notebook Tues 3/17 Announcements: NB check Friday 3/13 Chapter 8 Test Monday 3/16 Bring new notebook Tues 3/17 Homework: SRB if you don’t finish in class Lab graph and conclusion (due tomorrow) Homework: SRB if you don’t finish in class Lab graph and conclusion (due tomorrow) 1 2 Daily Question/Warm-Up: Have out vocab and Venn diagram for a stamp. Daily Question/Warm-Up: Have out vocab and Venn diagram for a stamp. 3

BOTH:  Identified by a change in temperature  Involves heat  No energy is created or destroyed  Occurs as bonds break and reform  Chemical change  Energy on the Y-axis, Reaction progress on the X-axis

EXOTHERMIC:  Energy is given out to the surroundings  Products have less energy than the reactants  Making new bonds gives out energy  Feels warm  From the word that means “outside”

ENDOTHERMIC:  Energy is taken in from the surroundings  Products have more energy than the reactants  Feels cool  Breaking bonds require energy  From the word that means “inside”