When water is changed from a liquid to a gas, what occurs A. The atoms lose electrons.
B. A new compound is formed.
C. Molecules spread farther apart.
D. Hydrogen is separated from
oxygen

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.