Introduce and Organize Topic Practice Test

Read the passage opening: "Electricity is defined as the movement of electric charges, usually through a wire. This movement can be controlled to power lights, phones, and appliances in your home. In this article, electricity will be explained by defining key terms like charge, circuit, and conductor. Then the text will describe how these parts work together to make a complete circuit." Which organizational strategy does the author use to introduce the topic?

Read the passage opening: "While both volcanoes and earthquakes change Earth’s surface, they happen in different ways. Volcanoes form when melted rock rises and erupts, but earthquakes result from sudden movement along faults. In contrast, volcanoes may build mountains over time, while earthquakes mainly cause shaking and cracking. This article will compare their causes and the effects people may notice." Which organizational strategy does the author use in the introduction?