Does water have a lower density compared to milk?

Question

Does water have a lower density compared to milk?
Does that mean..that if I put water in Rocket A, and milk in Rocket B, Rocket A will go higher because water has a lower density than milk...

does that make sense^^?

I need to test something wuith a vast difference in density. Can anyone suggest me two different liquids :

Water vs. ____

Answer 1

Milk has a number of dissolved solids and will be a little higher in Density than water. IF a rocket could be powered by water or milk, I don't think the small difference in density will have much effect.
The Density of High cream milk, due to the fat content, is less than water. Whole milk is slightly higher and Skimmed milk is a little higher than that.

Answer 2

To see which has the higher density, carefully put a drop of milk in water, and see if it floats or sinks as it disperses.

The difference in density between milk and water is very small, too small to merit the attention of a rocket scientist.

Answer 3

Whole milk probably has a lower density because cream does. Skim milk probably has a higher density because of dissolved minerals and suspended matter. You'd have to check to be sure, though. A lower density liquid would fly higher because the same pneumatic energy is applied to a lighter mass, and the liquid will squirt out faster.

Answer 4

Yes, what you say makes sense if it's the same volume of both. Water should weight less.

Answer 5

What you gain in extra reactive propulsion power you will lose in added weight.

Answer 6

yes