We have been designing a waterproof coat for Baby bear. We had to predict if plastic, cotton, tin-foil or paper would keep him dry!
We had to change the material but keep the amount of water we used the same.
We have been designing a waterproof coat for Baby bear. We had to predict if plastic, cotton, tin-foil or paper would keep him dry!
We had to change the material but keep the amount of water we used the same.