Sorry, but there is a lot of incorrect information here.
First, the crucial part of Schrodinger's cat thought experiment is that the cat can be killed from a random process, traditionally it is a hammer that falls on to a bottle of poison that is triggered by a radioactive decay (a quantum process). To an outside observer, the cat is in a state that is a combination of alive and dead (obviously this is absurd, but it illustrates some weird things about this specific interpretation of quantum mechanics). The cat itself is either alive or dead, but only the cat knows which.
The Heisenberg uncertainty principle is a consequence of the models we use to understand quantum processes. The principle itself is not a basis of quantum mechanics.
The explanation of entanglement is really incomplete. A particle cannot be in more than one state at once. The particle's state can be due to more than one source, which is actually what superposition describes. Superposition of waves is observed in most systems, classical and quantum.
You're on the right track with this, even if the things you've stated in this submission are inaccurate. Quantum mechanics is certainly very cool and I'm glad that you're so interested in the subject. I hope you continue to study it in the future and come back with a really great summary of the subject.