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