• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
Menu
  • Science Experiments For Kids
  • Science Fair Projects
  • Preschool Science
  • Science Facts
  • Printable Experiments
  • Science Sparks Books
  • Science Questions
  • Contact Me
Science Experiments for Kids
Menu
  • STEM Challenges
  • Early Years Science
    • Preschool Science
    • Sensory and Messy Play
    • Understanding of the World
    • Pirate Science Experiments
  • Primary Science
    • Baking Soda Experiments
    • Candy Experiments
    • Biology
    • Climate Change for Kids
    • Coding for Kids
    • Chemistry
    • Electricity for Kids
    • Magic Science Experiments
    • Harry Potter Experiments
    • Human Body Science
    • Air Pressure Experiments
    • Life Cycles
    • LEGO Science Experiments
    • Kitchen Science
    • Famous Scientists
    • Forces and Motion
    • Science Sparks Snippets
    • Key Stage 1 Science
      • Animals
      • Everyday Materials
      • Plants
      • Coding Activities
      • Humans and Health
      • Fine Motor skills
      • Science and Literacy
    • Key Stage 2 Science
      • Animals, Including Humans
      • Electricity
      • Light
      • Plants
      • Materials and their Properties
  • Key Stage 3
  • Holiday Science
    • Christmas Science
    • Halloween Science
    • Easter Science
  • Storybook Themed Science Experiments
  • Wonderful Women in STEM
menu icon
go to homepage
search icon
Homepage link
  • FREE Experiments
  • Science for Kids
    • Kitchen Science
    • Climate Change
    • Egg Experiments
    • Fairy Tale Science
    • Edible Science
    • Human Health
    • Chemistry
    • Inspirational Women
    • Forces and Motion
  • Science Fair Projects
  • STEM Challenges
  • Science Sparks Books
  • Contact Science Sparks
    • Email
    • Facebook
    • Instagram
    • Twitter
    • YouTube
  • ×

    Home » Science Questions » What is the biggest animal in the sea?

    What is the biggest animal in the sea?

    April 27, 2022 By Emma Vanstone Leave a Comment

    The biggest animal that lives in the sea is the blue whale. Blue whales can grow to 30 metres long, weigh up to 200 tonnes and have a heart the size of a small car!

    The blue whale is also the biggest animal on the planet and the largest animal that has ever lived!

    Image of a blue whale swimming in the sea

    Are blue whales dangerous?

    Blue whales are not dangerous to humans, they have no teeth and are not aggressive

    How big is a baby blue whale?

    A baby blue whale weighs around 4000 kg at birth and can be 8 metres long! Baby blue whales gain around 90kg of weight a day, that’s a lot of eating!!

    How do blue whales eat?

    Blue whales eat by filtering huge amounts of water to get krill. They eat the krill and expel the water.

    How many of you could swim alongside a blue whale?

    Measure how tall you are and then work out how many of you could swim alongside a blue whale!

    What is a group of blue whales called?

    A group of blue whales is called a pod!

    Make a whale food chain

    Blue whales are at the top of their food chain with no natural predators, although they are sometimes attacked by Orcas.

    Blue whale food chain including phytoplankton, krill and whales

    How long do blue whales live?

    Blue whales can live for up to 90 years!

    Image of a whales tail and text saying ' What is the biggest animal in the sea'

    Last Updated on April 27, 2022 by Emma Vanstone

    « Make a Journey Stick
    Waterproof a Boot »

    Safety Notice

    Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

    These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

    Reader Interactions

    Leave a Reply Cancel reply

    Your email address will not be published. Required fields are marked *

    Primary Sidebar

    • Email
    • Facebook
    • Instagram
    • Twitter
    • YouTube

    What are you looking for?

    JOIN US!

    Get new experiments straight into your inbox every week!!

    Thank you!

    You have successfully joined our subscriber list.

    .

    Footer

    ↑ back to top

    Science Sparks - FREE science experiments for kids

    Newsletter

    • Sign Up! for emails and updates

    Contact

    • Contact
    • Privacy Policy
    • Services
    • Media Kit
    • FAQ

    As an Amazon Associate I earn from qualifying purchases.

    Copyright © 2022 Science Sparks - Wild Sparks Enterprises Ltd