Does water have a lower density compared to milk?

Question

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^^?

im not using it as the fuel.. im using air pressurization...

Answer 1

Yes, milk has a higher density than water by about 3.0 to 3.4 percent, with skim or partially skim milk being slightly denser than that. This will make rocket B fly slightly less high than rocket A for the same amount and kind of propellant but careful technique and measurements would be required to notice the difference.

Answer 2

Density Of Milk

Answer 3

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RE:
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^^?

Answer 4

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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 5

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 6

Water definetely has a lower density than milk because if you put water in milk the water will stay at the bottom....... or somethin like that. but anyway water has a lower density than milk. Yea... what u said kinda makes sense.. but some dumb ppl wouldn't have a clue to what u r saying.

Answer 7

Very gently pour a little milk down the inside of a tumbler half-full of cold, still water. The milk should float, showing it is less dense.
The water rocket works on the principle of Newton's third law and the conservation of momentum. An equal volume of milk, instead of water, would have less mass, hence less backward momentum and hence transfer less forward momentum to the rocket. It would not go so high.

Answer 8

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 9

As long as you're not trying to use the water and milk as fuel, yes.

Answer 10

just weigh both,i think milk is heavier though.