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Using Thirteen's NATURE content and other online resources, students learn about the walrus, a fascinating Arctic mammal comfortable on land and in the water. This lesson encourages students to learn how different physical adaptations enable an animal to thrive in a harsh environment. Specifically, students look at how the walrus's blubber and other adaptations allow it to regulate its body temperature. By experimenting with shortening in a ziploc bag, students discover the characteristics and adaptive purpose of the walrus's blubber.

Grade Level:

2-5

Subject Matter:

Science

Learning Objectives

Students will be able to:

  • Appreciate the role specific physical attributes play in helping animals adapt to their environment.

  • Define adaptation as a behavior or physical characteristic that helps an organism survive or flourish in its environment.

  • Learn that walruses, like other animals, have physical adaptations that help them regulate their body temperature.

  • Understand the value of blubber for sea mammals, particularly walruses.

  • Identify the insular properties of blubber.