Physical Properties and Changes.
Ice floats in water because..
Ice is less dense than water.
Do gases have an indefinite or definite shape and volume?
An indefinite.
State is..
the physical form of which a solid exists.
A physical property is..
a characteristic that can be observed or measured without changing the composition of a substance.
Plasma is a what type of gas?
An ionized gas.
Ductility is..
the ability of a substance to be pulled into a wire.
The equation for density is..
mass/volume
Solids have what type of shape and volume?
Definite shape and volume.
Flammability can be activated by..
malleability is..
property displayed by certain metals that enables them to be hammered, rolled out, etc.
Are liquids particles tightly packed or far apart?
tightly packed.
Density is..
solubility is.
property of a substance that allows it to be dissolved.
Plasma helps make what?
Aurora Borealis.
thermal conductivity is..
the rate at which a substance transfers heat.