Aluminum and magnesium antacids work quickly to lower the acid in the stomach. Liquid antacids usually work faster/better than tablets or capsules. This medication works only on existing acid in the stomach. It does not prevent acid production.
If you plan to become a professional curriculum designer, you will generally need to have a teaching degree and a master's degree in education. If you want to remain a teacher and design curriculum for your own students, look into continuing education courses that can help you get started.
One way to approach course design is to start from the learning objectives, then move on to the other two components, and revisit the cycle iteratively as needed. YOU select and organize course content, and determine appropriate assessments and instructional strategies.