A student notices that ice cubes float when he puts them into a glass of water this is becuse ice is less dense than liquid water. explain what this suggests about the arrangement of the water molecules in each state

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?