All Subjects
      All Types




        Permitted Use

        Stream Only

        3 Favorites

        Weigh a Whale | DragonFly TV: Solve a Science Mystery

        How do you weigh a whale? Whales can grow to more than 50 feet in length and weigh over 50 tons. they're not fish, they're mammals just like human beings and they have to come to the surface to breathe. But they can swim down to great depths in the ocean and they don't really sink, they float. Think up creative ways to weigh whales.

        You must be logged in to use this feature

        Need an account?
        Register Now