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