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