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