Name __________________________________________ Bill Nye Chemical Reactions 1. Chemical reactions involve changes in an atom’s a. protons b. electrons c. neutrons 2. Within the first four minutes of the show Bill demonstrates one endothermic and two exothermic reactions. What is the one endothermic reaction and what does Bill say about the reaction that provides the clue that it is endothermic? 3. Two kids make a fire extinguisher by combining a liquid reactant with a solid reactant to form a gaseous product. What is the gaseous product of the reaction? 4. What are the two poisonous chemicals Bill talks about that we can’t live without? 5. What gives fireworks their brilliant colors? 6. Two kids combine vinegar and baking soda in a plastic bottle with a balloon on it. Is the reaction shown endothermic or exothermic? What do the kids say that provides the clue as to whether it is endothermic or exothermic? 7. Alfred Nobel was a Swedish chemist who became rich by inventing ____________________________. 8. The video shows a girls basketball team sitting on the bench. Bill talks about a useful chemical reaction. Is the reaction exothermic or endothermic? What does Bill say about the reaction that provides the clue as to whether it is exothermic or endothermic?? 9. According to Bill, why are certain elements grouped together on the periodic table? 10. In the music video, several chemical reactions are shown. Describe one of the reactions shown and identify the evidence that would suggest the reaction is a chemical reaction.