1. WOD- Chemical Reaction when a substance (or a few substances) change into another substance (formation of a solid). Objective - 6.5 D How do we know a chemical reaction has taken place?

2.  Writing assignment  On a separate sheet of paper, explain (3 sentences or more) Science Lab Best practices for working with chemicals. Do not list, write complete sentences.  Include proper equipment and procedures. Objective - 6.5 D How do we know there has been a chemical reaction?

4.  rusting of iron  combustion (burning) of wood  metabolism of food in the body  mixing an acid and a base, such as hydrochloric acid (HCl) and sodium hydroxide(NaOH)hydrochloric acidsodium hydroxide  cooking an egg  digesting sugar with the amylase in saliva  mixing baking soda and vinegar to produce carbon dioxide gasbaking soda  baking a cake  electroplating a metal  using a chemical batterychemical  explosion of fireworks  rotting bananas  grilling a hamburger  milk going sour