Raft
Ahoy there! Jump aboard the raft and pull yourself across the pond using the rope.
SECRET NO. 1
Water can carry you See how water can carry you? The raft floats because it’s lighter than the displaced water. Tiny creatures like pond skaters use another principle: they use surface tension to keep them afloat. Two exciting powers of nature!
What’s the right answer?
Punch the correct symbol in your Water games Passport.
- Pond skaters can only walk on water because they’re carried by a raft. Symbol leaf
- The raft stays afloat because the water exerts a strong upward force on the raft. Symbol sailboat
- The raft sinks immediately because the surface tension isn’t strong enough. Symbol light bulb