Kerry Cule
Author's posts
Nov 16
Energy Changes Objectives
We are just starting on the Energy Changes unit. Here is a summary of what you are responsible for in this unit: # Objective Must-do Activities Videos 1 Produces an energy diagram representing the energy balance for a chemical reaction Energy Diagram assignment, Energy Test #1 Energy Diagrams, Reversible Reactions 2 Interprets the energy diagram …
Oct 27
Yeast lab
Here is the chemical equation that represents the breakdown of sugar: For this lab, you will compare experimental and theoretical results for how much carbon dioxide (CO2) is produced when sugar (C12H22O11) is broken down in water (H20), using yeast as a catalyst. Materials: 4 packets of quick rise yeast (we will use 2 …
Oct 12
Potato Chip Road Trip
In class on Tuesday, you will watch this 97 second video: After you are done, answer the following question: Given what you know now, do your best to explain why the potato chip bag changed as the girl went from high altitude to low altitude. Tweet your answer using #potatochipgas.