Physical Science Chapter 2 Vocabulary Flashcards
(18 cards)
Property
A Characteristic that helps identify an object.
Molecule
The smallest particle of a substance that has the same properties as the substance.
Atom
The building block of matter
Density
The amount of matter per unit volume
Matter
Anything that has mass and takes up space.
Solid
Form of matter that has definite shape and volume
Gas
Form of matter that has no definite shape or volume
Liquid
Form of matter that has a definite volume but no definite shape.
State of Matter
The form that matter has — solid, liquid, or gas.
Model
A picture, an idea, or an object that is built or explain how something else looks or works.
Electrons
A tiny, negatively charged particle of an atom that moves around the nucleus.
Neutron
A tiny, uncharged particle in the nucleus of an atom that is similar in size to a proton.
Nucleus
The central part of an atom.
Proton
A tiny, positively charged particle in the nucleus of an atom.
Element
Matter that has only one kind of atom.
Natural Element
An element that is found in nature.
Symbol
One or two letters that represent the name of an element.
Compound
A substance formed when atoms of two or more elements join together.
