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Which characteristic is included in the particle theory of matter?
All matter is made up of tiny particles
All particles in a pure substance are the same
Particles are always moving
All of the above
True or False: Matter can not be created or destroyed.
when a substance can carry heat or energy
when a solute dissolves into a solvent making a solution
the ability of a substance to increase in volume as temperature increases
The ability of particles to move from high concentration to low concentration
do not carry heat/energy
True or False: A substance will diffuse faster at low temperatures.
What physical change of matter explains why build materials must be flexible and moveable?
Both thermal expansion and compression
What does DENSITY measure?
The weight of an object.
The mass of an object.
The amount of mass per volume of an object.
The length of an object.
What physical change does this model represent?
Which object is LESS DENSE?
Comparing the densities of one or more object is called...