Any boat made of a heavier than water material can float if it meets a few basic requirements.
The first requirement is that the total volume of the boat must be greater than the weight of water that volume would displace.
The second requirement is that the boat must not permit water inside.
There are additional details but these two are the biggies.
Here is an example: A 20 foot canoe has an overall displacement (volume) of 40 cubic feet. That is equal to approximately 320 gallons, or a weight of 2,560 pounds. Concrete weights vary somewhat but using a number of 150 pounds per cubic foot, as long as the total amount of concrete used is less than 2,560 / 150 or about 17 cubic feet, the boat could float. If the sides and bottom of the canoe are 2 inches thick and the bottom area is 50 square feet and the sides also total 50 square feet, 100 square feet total times 2/12 foot thickness gives about 16.6 cubic feet of concrete. This would just barely float.
jumping off a bridge and see if they could make hard wood float
Whatever was available in their habitat, whatever float. although there is not much knowledge of them to be 'water people' as there is no evidence they possessed the craft of making boats.
Canoes are built in many different ways and with many different Materials today Canoes building List 1. Traditional Wood Built Canoes 2. Fibre Glass canoes 3. Plastic canoes (roto molded canoes) 4. Kevlar canoes 5. Aluminum Canoes
canoes canoes
But there are canoes in India. I have seen them in Kashmir.
when were the first canoes developed
They used the dogout canoes to transportation.
two canoes.
Canoes dont have sails, or masts, whereas canoes are powered by manpower (Rowing or paddling)
Why are birch bark canoes important?
well canoes are wood... i guess if you are a woodchuck its possible!
Yes, the Abenaki were well-known for their birchbark canoes.