Homeroom:
SSR Block TODAY.
Please Do not leave early for dismissal.
all sport after last call.
Wait until your bus call.
Do Now:
Please copy today’s homework into your agenda.
Homework:
Complete the Key Concept Builder Worksheet handed out in class for tomorrow.
Today’s Lesson:
Chemical Reactions, Formulas, and Equations
Define Chemical Reaction
Signs of Chemical Change
Unexpected Color change
Energy Changes
temperature
light
not light bulbs -
lightstick
firefly
electricity
Battery
Precipitate Formation
solid produced out of a liquid solution
Gas Formation
not boiling -
new gas produced with different identity only
Chemical Reactions all have
reactants
energy
exothermic
endothermic
products
Chemical Equations
Acetic Acid plus Baking soda produces Sodium Acetate plus Water Plus Carbon Dioxide