4.ri.5

Which structure: To show the similarities and differences between sharks and dolphins

Which structure: To explain the life cycle of a flying squirrel

Which structure: to describe what happened to teeth if you eat too much sugar

Which structure: To explain air pollution and ways scientists are trying to reduce it.

Which structure: To examine a dollar bill and what each symbol on it means

Which structure: To explain how lifting weights can result in strengthened bones

Which structure: To look at how igneous, sedimentary & metamorphic rocks are same/different

Which structure: To show how unclean kitchens cause illness and how kitchens should be cleaned

Which structure: To tell about the building materials used to make the Golden Gate Bridge