click below
click below
Normal Size Small Size show me how
Ch. 11-16
Grades 5/6 Physical World Science Vocab
Term | Definition |
---|---|
electron | part of the atom with a negative electrical charge |
proton | part of the atom with a positive electrical charge |
neutron | part of the atom with a neutral electrical charge |
Ion | electrically charged particles |
valence electrons | outermost electrons in an atom |
Law of Charges | opposite charges attract, similar charges repel |
Static electricity | stationary electrical charge |
electrical conductor | material that ALLOWS electrons to flow easily |
electrical insulator | material that RESISTS the flow of electrons |
semiconductor | material that allows SMALL amounts of electricity to flow |
lightening | sudden discharge of electricity |
thunder | sonic boom caused by rapidly expanding air |