It's defined as a form of an element with the same atomic number but different atomic weight
Named for an English scientist, it's a division of classical physics
When burning, sulfur becomes this compound that's used to keep dried fruit from turning brown
An American, Theodore Maiman, built the first of these light-amplifying devices in 1960
Every year Australia moves 2 in. away from this nearest U.S. state & Japan moves 3 in. closer
France derives a higher percentage of its electricity from this energy source than any other country
Carbohydrates, such as sugars & starch, contain these 3 elements
A space telescope to be launched by the space shuttle in 1990 is named for this 20th century astronomer
-273.15 degrees C.
Solid water is ice; solid carbon dioxide has this 2-word name