Central Idea and Summarizing: Ocean Waves

Try It Part 2

Now complete the activity below to identify the overall central idea for the whole article “Making Waves: How Wind Whips Up the Perfect Swell Opens a new window”. All of the central ideas from the different sections should support the overall central idea.

Central Ideas From the Article

A wave is motion moving through a body of water.
Winds push waves into each other, causing the waves to combine their energy and get larger and faster.
Tension and friction affect how much energy a wave has as it moves through the water.
Favorable surfing swells are created by a lot of energetic waves.

Now go to following page to review how central ideas can be used to develop an accurate summarize of a text.

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