A) negative B) positive C) neutral
A) Hydrogen B) Carbon C) Gold D) Aluminum
A) chemical change B) chemical property C) physical property D) physical change
A) physical change B) chemical property C) chemical change D) physical property
A) chemical property B) chemical change C) physical change D) physical property
A) solidifying B) evaporating C) rusting D) burning
A) burning of paper B) melting of chocolate C) salting of food D) freezing of water
A) melting B) sublimination C) evaporating D) burning
A) release of heat energy B) change in shape C) change from a liquid to a gas D) dissolving of a solid
A) deposition B) condensation C) sublimination D) vaporization
A) vaporization B) sublimination C) condensation D) deposition
A) atoms B) carbon C) metal D) cells
A) proton B) electron C) element D) neutron
A) chemical property B) physical property C) physical change D) chemical change
A) state B) density C) shape D) form
A) Each element contains only one kind of atom. B) Elements are made from mixtures of molecules. C) All elements are metallic. D) There are only five known elements.
A) an element B) a compound C) an alloy D) matter with no mass
A) light given off B) color change C) heat given off D) a change of state
A) True B) False
A) chemical property B) physical property C) chemical change D) physical change
A) cannot be reversed easily B) never can be reversed C) never will change state D) always can be reversed
A) False B) True
A) True B) False
A) positive B) neutral C) negative
A) team B) family C) metal D) row
A) positive B) neutral C) negative
A) a proton B) a compound C) a mixture D) an element
A) a compound B) a mixture C) an element D) a proton
A) a proton B) a compound C) an atom D) an element
A) elements B) The Noble Gases C) molecules D) liquids |