A) positive B) neutral C) negative
A) Hydrogen B) Carbon C) Aluminum D) Gold
A) physical change B) physical property C) chemical change D) chemical property
A) physical property B) chemical property C) chemical change D) physical change
A) chemical change B) physical change C) chemical property D) physical property
A) solidifying B) evaporating C) burning D) rusting
A) burning of paper B) salting of food C) freezing of water D) melting of chocolate
A) burning B) evaporating C) sublimination D) melting
A) change from a liquid to a gas B) dissolving of a solid C) release of heat energy D) change in shape
A) sublimination B) condensation C) deposition D) vaporization
A) vaporization B) deposition C) sublimination D) condensation
A) metal B) atoms C) carbon D) cells
A) proton B) element C) neutron D) electron
A) physical property B) chemical change C) physical change D) chemical property
A) shape B) state C) form D) density
A) Each element contains only one kind of atom. B) There are only five known elements. C) Elements are made from mixtures of molecules. D) All elements are metallic.
A) a compound B) an alloy C) an element D) matter with no mass
A) color change B) heat given off C) light given off D) a change of state
A) False B) True
A) chemical property B) physical property C) chemical change D) physical change
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) negative B) neutral C) positive
A) team B) family C) row D) metal
A) neutral B) positive C) negative
A) an element B) a compound C) a proton D) a mixture
A) a mixture B) a compound C) a proton D) an element
A) a compound B) a proton C) an element D) an atom
A) elements B) molecules C) The Noble Gases D) liquids |