Quarter 2 Exam - Physical Science

Match it! Select the correct answer from the pull down...Good luck!

The use of electricity to break a molecule down into smaller units

Water that has certain dissolved ions in it

The point where an earthquake begins.

The average time a given particle will stay in a given system

The cooling of a gas that happens when the gas expands with no way of getting more energy

The sum of all the water on a planet.

a measure of the mass of dissolved salt in a given mass of water

A substance that is dissolved in a solvent