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