Science question?

Question

I need one factor that may cause the density of an object to change. I have a test tomarrow and i have no clue!! help!!

Answer 1

heat

Answer 2

Since this is a physics question, you can change the density only by increasing or decreasing the volume occupied by the mass (which cannot change). If the object is compressible (like a gas), adding pressure to reduce its volume will increase its density. If it is incompressible, but exhibits thermal expansion, increasing its temperature will reduce its density.

Answer 3

Well, the densitiy of a material might change due to temperature. Temperature causes materials to expand and contract, causing a change in volume, which is one of the elements of density. A Material may be compressed, hence loosing volume, and gaining density. A material may be stretched and, loose density.

Answer 4

i have a couple guesses. compressing the object will change density and volume. soaking it in water usually makes it denser. on a different scale, the atomic number of an element usually has something to do with density. hope i helped!

Answer 5

temperature. something with a higher temperature generally has a lower density

pressure. something under higher pressure generally has a higher density

good luck

Answer 6

the size like if you take part of it of or its physical state

Answer 7

temperature...
http://www.grow.arizona.edu/water/density/temperature.shtml

pressure...

Answer 8

you gonna fail spelling also

Answer 9

TEMPERATURE

Answer 10

fire?