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