A measure of the quantity of matter is called mass. The International System (SI), commonly known as the metric system, uses the kilogram as the base unit of mass, while the British imperial unit for the mass is the poun... More »

The observable universe seems to consist of almost nothing but matter. It isn't clear why because models of the early universe generally predict that matter and antimatter were created in exactly equal quantities. More »

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The science of matter is called chemistry. It is the study of matter, chemical reactions, compositions, structures and properties. Chemistry is a form of natural science. More »

The properties of matter include an object's density, color, mass, volume, length, malleability and ability to change its chemical composition, according to the University of California, Davis. Scientists define matter a... More »

The difference between matter and energy is that energy is produced from matter yet has no mass and is the capacity to do work while matter is the physical "stuff" in the universe. Matter needs energy to move. More »

Properties of matter, defined by Education Portal, are divided into two groups: physical properties that include color, density, mass, boiling point, volume, solubility, malleability and temperature; and chemical propert... More »

Because matter - solid, liquid, gas or plasma - comprises anything that takes up space and has mass, an experimenter can prove that air has mass and takes up space by using a balloon. According to About.com, balloons are... More »