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