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