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Closed Chemistry- Design and build a closed structure in which a chemical reaction can occur. You will present your demonstration to the class providing evidence for conservation of mass. The presentation should include a poster of the balanced chemical equation for your reaction.
What understandings or goals would be assessed through this task?
• Students will identify the forces acting on a self-propelled vehicle and explain how the motion of the vehicle demonstrates Newton’s laws.
Through what authentic performance task will students demonstrate understanding?
Sickle Cell Anemia
Patients with sickle cell disease have a mutation in a gene that codes for part of the hemoglobin protein. As a result, hemoglobin does not form properly, causing red blood cells to be oddly shaped. These irregularly shaped cells get stuck in the blood vessels and are unable to transport oxygen properly, causing pain, frequent infections, and damage to the organs. Patients with sickle cell disease only survive to be 20 to 30 years old. About 1 in 500 babies born in America has the disease.
The normal hemoglobin nucleic acid sequence looks like: