Boat & Ship Adventures! –
Let’s Learn About Water and
Floating
What is Water?
“Water covers most of our Earth
— it’s everywhere!”
Life without water
Without water, there would be no life,
ships, or even clouds!
Can Water Push Things?
• Yes! Water can push things and
make them move
• Boats float and move because of
this pushing and balancing.
What Are Boats and Ships?
Boats and ships help us travel, fish,
explore, and carry things.
Floating Magic!
Why do some things float and others
sink?
Archimedes’ Secret
When an object goes in water, it
pushes water away!
Why Ships Float?
Ships have air inside and wide shapes
that push more water away!
Surface Tension – The Magic Skin of Water
Water has an invisible skin
The Dry Tissue Trick – Air & Displacement
Let’s keep tissue dry underwater
How Boats Move
Boats move when something pushes
them — like paddles or wind
Propellers and Engines
Engines and propellers push boats
through water
Experiment – Balloon Boat
Air can push boats too
Experiment – Wind-Powered Sail Boat
Let’s use wind to move our boats!
Experiment – Jet Direction Challenge
Change straw angle
can your boat turn?
Streamlining
Smooth shapes move faster through
water.
Fastest Boats in the World!
The world’s fastest boat can go 500
km/h!
The “Spirit of Australia” holds the
record at 511 km/h
Archimedes’ Secret
Nature’s Speedsters
Animals are fast swimmers too!
Swordfish can swim at 100 km/h!
Lifesaving Ships
Ships rescue people and deliver food
and supplies!
Building Giants
Cargo ships and cruise ships are as
long as skyscrapers!
World’s biggest cargo ship can carry
24,000 containers
Floating Cities – Cruise Ships
Cruise ships are like moving cities on
the ocean!
Cruise ships have restaurants &
theaters
Archimedes’ Secret
Boats of the Past
People have used boats for thousands
of years!
Vikings sailed wooden longships
across oceans
Future of Ships
Future ships will be electric and ecofriendly!
Quiz 1
Quiz 2
Quiz 3
Recap
Water pushes back, ships float, and
air & wind help things move!
Thank you, young sailors!
Keep exploring
Who wants to be a ship scientist?”