2 bioChapter 2

2 bioChapter 2 - Review What is a hypothesis? What are the...

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Unformatted text preview: Review What is a hypothesis? What are the components of a well- designed experiment? A friend of yours finds you after class and says that his new iPhone would not turn on this morning. He asks for your help. You tell him the battery must be dead, and that if so, charging the phone should solve the problem. In doing so, you are _____ . 1 2 3 4 0% 50% 25% 25% 1. summarizing observations about why the iPhone wont turn on 2. stating a scientific theory for why the iPhone wont turn on 3. offering a specific hypothesis and associated prediction to explain why the iPhone wont turn on 4. performing an experimental test to explan why the iPhone wont turn on Chapter 2: Big Picture Water is essential for life: Polar -> Great Solvent In solution: Molecules form bonds based on electron sharing Chemical Energy is stored in bonds (potential energy) Chemical Reactions are spontaneous if: 1) Going to a lower Energy State 2) Increasing entropy (disorder) Need to input energy for Non- spontaneous rxns Basic Atomic Structure Fig 2.1 eriodic Table : Valence electrons determine reactivit ost stable when all valence electrons are paired Fig 2.3 Bonds, James Bonds Chemical Bonds Fig 2.4 Sharing is overrated...
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2 bioChapter 2 - Review What is a hypothesis? What are the...

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