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