• Anything that has mass and occupies volume.

  • The general term for the substance of which all physical objects are made.


  • Commonly refers to the amount of matter in an object.

  • The term for two properties of matter that are equal in value: inertial mass gravitational mass.



Sponsor a page

at $1 a month

$11 for a year

Support this website  with a $1 gift.


Visit our

Online Store

Gifts of other amounts

Click Here


Custom Search

Home page