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