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