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