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