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Tsunamis, or gigantic waves, are one of the most destructive natural disasters. Discover how they’re formed, deep under the ocean surface.
Offshore earthquakes, volcanic eruptions, landslides, and other Earth-moving events start tsunamis. Tsunamis can race along the ocean floor at speeds of up to 600 miles per hour (960 kph) while remaining undetectable on the surface. When they reach the shore, the underwater waves turn their speed into height and can rise 70 feet (21 m) above the water's surface when they crash into the coastline. Learn more about tsunamis, how people can protect themselves, and then illustrate what you’ve learned. Here’s one way to make a poster.
Divide posterboard into five equal sections with horizontal lines using Crayola® Erasable Colored Pencils. Draw a long vertical line to separate your picture section from a smaller description section. Add borders to your poster.
With Crayola Markers, illustrate the five steps of how a tsunami is formed. Step 1 – An earthquake begins in the ocean floor. Step 2 – The ocean floor cracks from the tremors and part of the floor rises. Step 3 – Tons of water rise high above normal sea level. Step 4 – A massive swell of water spreads out in all directions. Step 5 – The tsunami hits the shore in huge waves that destroy buildings and flood everything in their paths.
Write short explanations about what is happening next to each picture.
On more paper, draw a large wave and title for your display. Cut it out with Crayola Scissors. Attach it to your poster with Crayola School Glue. Air-dry before hanging.
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Our crayons have been rolling off the assembly line since 1903, and you can see how it’s done.
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