Matter - Answers anything that has weight and takes up space
3 Physical states of matter - Answers 1. Solid (Brick)
2. Liquid ( water)
3. Gas (oxygen)
Elements - Answers substances that cannot be broken down chemically into simpler kinds of matter
Compo - Answers Combination of 2 or more elevments and that one a new form
Atoms Four Basic Parts - Answers Electron, Proton, Neutron, Nucleus
Electron- - Answers Contains a Neagtive electrical charge travels in orbits around the Nucleus
Proton - Answers Positively charged particle in the nucleus of an atom
Neutron - Answers A subatomic particle that has no charge and that is found in the nucleus of an atom
Nucleus - Answers Center of an atom
Valence - Answers Electrons on the outermost energy level of an atom
Ions - Answers positively and negatively charged atoms
Basic Electric System - Answers Source - Battery, Conductor- Wire Load - Device using electrical energy
light blub
Conductors - Answers Have many free electrons outermost shell (Valence) Can combine with other
atoms
Gold, copper, silver, valence has 1, 2, or 3 electrons
semi-conductor - Answers Contains 4 electrons in valence shell
Insulator - Answers 5-8 Electrons in outermost shell
1 Coulomb - Answers 6.25 x 10^12 represented by q abbv = c
Electrical Potential/Potential Difference or Electrical Pressure - Answers Provides the source of engery to
move electrons thru a conductor - Potential difference also known as voltage measured in volts can also
be referred to as electro motive force