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