Siri saw a ship travelling on a sea. She knows that iron nail sinks in

1.	Siri saw a ship travelling on a sea. She knows that iron nail sinks in water. She has many doubts. What are her doubts? Write them.
Answer» 1. Why is the ship not sinking in water though it is made up of iron? 2. Does iron float in salty water? 3. Why did such a huge body like ship not sink in sea? 4. What is the secret of ships floating in the sea? 5. What is the science behind this floating?

Siri saw a ship travelling on a sea. She knows that iron nail sinks in water. She has many doubts. What are her doubts? Write them.

Answer»

1. Why is the ship not sinking in water though it is made up of iron?

2. Does iron float in salty water?

3. Why did such a huge body like ship not sink in sea?

4. What is the secret of ships floating in the sea?

5. What is the science behind this floating?