Fun With Blubber! – #sciencegoals

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In this lesson, we explored how animals like seals, whales, and walruses stay warm in icy waters using a thick layer of fat called blubber, which acts as a natural insulator. A fun experiment demonstrated the effectiveness of blubber by comparing the temperature of a hand protected by shortening (simulating blubber) to a bare hand in icy water, illustrating how blubber helps these animals retain body heat. The lesson encourages further exploration of cold-weather animals and their unique adaptations.
  1. What is blubber and how does it help animals stay warm in cold water?
  2. Can you think of any animals that might need blubber to survive in icy places?
  3. What did you feel when you did the experiment with the blubber bag and the icy water?

How Animals Stay Warm in Icy Waters

Have you ever wondered how animals stay warm when the weather gets super cold? When it’s chilly outside, we might put on a sweater or wrap ourselves in a cozy blanket. But animals living near the North Pole or in Antarctica don’t have these things. So, how do they keep warm? Let’s find out!

The Secret of Blubber

Animals like seals, whales, and walruses have a special trick to stay warm in icy waters. They have something called blubber. Blubber is a thick layer of fat right under their skin. This fat helps keep their body heat in and the cold out. It’s like a natural blanket that keeps them warm even in the coldest waters on Earth.

Fun Experiment: Does Blubber Really Work?

Want to see how blubber works? You can try a fun experiment at home! Here’s what you’ll need:

  • Two large bowls
  • Water and ice
  • Two plastic bags big enough for your hands
  • Shortening (a type of cooking fat)
  • A big spoon
  • A towel
  • Help from a grown-up

First, fill one bowl with water and add ice to make it really cold. Next, fill one plastic bag halfway with shortening. Put the second bag inside the first one, so you can put your hand in without getting messy. Squish the shortening around to make an even layer.

Now, put one hand in the blubber bag and leave the other hand bare. Dip both hands into the icy water at the same time. What do you feel? The hand in the blubber bag should feel warmer than the bare hand. That’s because the shortening acts like blubber, keeping the cold out and the warmth in!

Why Blubber is Important

This experiment shows how blubber helps animals survive in freezing waters. The layer of fat keeps their body heat inside, protecting them from the cold. Isn’t that amazing?

Learn More About Cold-Weather Animals

Now that you know how blubber works, you might want to learn more about animals living in cold places. There are so many interesting facts to discover!

Thanks for joining us in this fun experiment. If you have ideas for more experiments or want to learn about other animals, let us know! We’d love to hear from you. See you next time!

  • What do you think it would feel like to swim in icy water without blubber? Can you think of other ways animals might stay warm in cold places?
  • Have you ever worn something that made you feel really warm, like a coat or a blanket? How do you think that is similar to how blubber works for animals?
  • If you could choose to be any animal that lives in cold places, which one would you pick and why? What special features do you think help them survive in the cold?
  1. Blubber Hunt: Go on a “blubber hunt” around your home or school. Look for items that are soft and squishy like blubber. Can you find things that help keep warmth in, like a thick blanket or a cozy sweater? Make a list of these items and think about how they are similar to blubber.

  2. Animal Warmth Drawing: Draw a picture of your favorite animal that lives in cold places, like a penguin or a polar bear. Use crayons or markers to show where you think their blubber might be. Share your drawing with a friend or family member and explain how blubber helps the animal stay warm.

  3. Blubber Story Time: Imagine you are a seal swimming in icy waters. Write a short story or create a comic strip about your day. How does your blubber help you find food and play with friends? Share your story with your class or family and discuss why blubber is important for survival.

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