A) negative B) neutral C) positive
A) Gold B) Hydrogen C) Aluminum D) Carbon
A) chemical change B) physical property C) physical change D) chemical property
A) physical change B) chemical property C) physical property D) chemical change
A) physical change B) chemical change C) physical property D) chemical property
A) rusting B) evaporating C) burning D) solidifying
A) burning of paper B) salting of food C) melting of chocolate D) freezing of water
A) evaporating B) melting C) sublimination D) burning
A) change in shape B) dissolving of a solid C) change from a liquid to a gas D) release of heat energy
A) sublimination B) deposition C) vaporization D) condensation
A) vaporization B) condensation C) sublimination D) deposition
A) atoms B) cells C) metal D) carbon
A) proton B) electron C) element D) neutron
A) chemical change B) physical property C) physical change D) chemical property
A) state B) shape C) density D) form
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) light given off B) heat given off C) a change of state D) color change
A) False B) True
A) physical property B) chemical property C) chemical change D) physical change
A) always can be reversed B) never will change state C) cannot be reversed easily D) never can be reversed
A) True B) False
A) False B) True
A) positive B) neutral C) negative
A) metal B) team C) row D) family
A) positive B) negative C) neutral
A) a mixture B) a proton C) an element D) a compound
A) an element B) a mixture C) a proton D) a compound
A) a proton B) a compound C) an atom D) an element
A) elements B) liquids C) molecules D) The Noble Gases |