100% accur acy (Guar an teed pass)
Chemistry - answer the study of physical and chemical properties of matter and
how these properties change when matter interacts
Matter - answer anything that has MASS and occupies VOLUME and is composed
of small particles called atoms
Atom - answer tiny particles of which matter is composed: there are currently 118
recognized different types of atoms
Material - answer another name for Matter
Mass - answer amount of matter in an object. Mass is CONSTANT, not subject to
change due to gravity
Weight - answer a force unit, F = MA ( mass * acceleration) in which GRAVITY is
the acceleration and MASS is the amount of material
A person's weight changes as the acceleration changes. On the moon, a person
weighs less than on the earth .
Density - answer the ratio of mass/ volume of a material. Density is a physical
property of the material