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