(3-5 sentences, show work with math equations)
1. From where do elements heavier than hydrogen originate?.
2. Why do we say that materials in our world are mostly “empty space”?
3. Why will a block of iron float in mercury but sink in water?
4. A ship sailing from the ocean into a freshwater harbor sinks slightly deeper into the water. Does the buoyant force on the ship change? If so, does it increase or decrease?
5. A merchant in Katmandu sells you a solid gold 1-kg statue for a very reasonable price. When you get home, you wonder whether or not you got a bargain, so you lower the statue into a container of water and measure the volume of displaced water. Show that, for pure gold, the volume of water displaced will be 51.8 cm3.
