Gray whales live in the Pacific Ocean and can grow to be 50 feet 15 meters) long. Readers will discover how whale hunters brought these huge mammals to near extinction and how people are working together to help these giants of the sea fight for survival.
the Sea Lamprey have invades the Great Lakes where they have killed off native species and harmed the fishing industry. Find out hoe they arrived, the problems they cause and other places that are on the lookout for these animals.
The Walking Catfish have upset the balance of the ecosystems and hurt local economies.
Swarms of the dinner-plate-size invasive Australian Spotted Jellyfish have been reported from East Texas to Florida in the Gulf of Mexico and along the Atlantic coastlines of Florida and South Carolina. These creatures present a major threat to the shrimp fishery. Readers will be introduced to the concepts of invasive species and challenged to think critically about the cause, effect, and control of dangerous creatures.
Learn how sharkskin has helped scientists create more effective swimsuits.
This book uses math and science to help students learn about oceans. Math challenge questions provide students with the opportunity to apply math skills as they learn about the characteristics of oceans.