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Welcome to Loopy Doopy — where little ideas get room to grow.

Loopy Doopy

Our World

How Can Huge Ships Float?

A giant ship can weigh thousands of tons. Why doesn’t it sink?

Our World learning illustration from the Loopy Doopy Explore pack

The short answer

Ships float because of buoyancy.

Let’s explore

  • Ships float because of buoyancy.
  • Their shape allows them to displace a large amount of water. The water pushes upward on the ship.
  • When the upward buoyant force balances the ship’s weight, the ship can float.

Quick Quiz

  1. What is the short answer to “How Can Huge Ships Float?”?
  2. Can you explain one key fact in your own words?
  3. What new question would you like to explore next?

Related Topics

Our World

How Does a Rainbow Form?

How does white sunlight become a rainbow of colors?

Sunlight enters tiny water droplets. The light bends, reflects inside the droplet, and bends again as it leaves.

Our World

Why Does the Moon Seem to Follow Our Car?

Have you ever felt as though the Moon is following your car?

Nearby trees, houses and road signs appear to move quickly because they are close to us.