2)Compare what happens when a geyser erupts to what happens when a tea kettle whistles.
3)Name something made of aluminum and explain why malleability is a useful physical property.
4)Why do automobiles rust more easily in wet climates than dry climates?
5)What are three physical properties of aluminum foil?
6)What effect does observing a substance's physical properties have on the substance?
7)Describe how a physical property, such as mass or texture, can change without causing a change in the substance.
8)Must new substances be formed when you observe a chemical property?Explain.
9)The density of gold is 19.3g/cm^3. The density of iron pyrite is 5.0g/cm^3. If a nugget of iron pyrite and a nugget of gold each have mass of 50g, what can you conclude about the volume of each nugget?
10)Suppose you need to build a raft to cross a fast-moving river. Describe the physical and chemical properties of the raft that would be important to ensure your safety.