This Issue:

Table of Contents

Cover Story

Cover Story - Spanish Version

Mini-Lesson

Comprehension Quiz

Teacher's Guide and Worksheets

The Challenge: Speedy Suit

Swimmer Michael Phelps says the Speedo LZR (lay-zer) Racer swimsuit makes him feel "like a rocket." It's no wonder. Rocket scientists at NASA helped create the suit.

They studied swimmers. Muscle and water movement can slow a swimmer. So can a soggy swimsuit or even a thread on a suit.

The LZR is not sewn together like other swimsuits. It fits like a second skin. The tight fit helps hold a racer's body in the right position. The suit's fabric forms a barrier between water and skin. Swimmers use less energy to glide through the pool.

Did the LZR help Phelps? He won eight gold medals at the Olympics! That's more than any athlete ever. "I know I have the best suit on," he said.

Ocean Olympics

What if animal swimmers could race in the Olympics? One thing is clear: People would not rule the pool! Look at how far a human and four ocean creatures can swim in 10 seconds. Then answer the questions.

1. Which swimmer is the fastest? ________________

2. In 10 seconds, the mako shark can swim _________ feet.

3. Why does a sea animal need to swim quickly? Give one reason. __________

SOURCE: REEFQUEST CENTRE FOR SHARK RESEARCH; WWW.ELASMO-RESEARCH.ORG

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