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