H2O - Water, CO2 - Carbon Dioxide, the measure of acidity - pH, made of only one kind of atom - element, saltwater - a solution, baking soda and vinegar mixed - a chemical reaction, the lightest and most abundant element - hydrogen, the center of an atom - the nucleus, you can separate a solution by - evaporation, 32 degrees Fahrenheit - water freezes/ice melts, molecules packed tightly holding a shape - solid, molecules take the shape of the container less tighty packed - liquid, molecules have the most energy and are very spread out - gas, all matter is made up of tiny particles called - atoms, a change in matter that can be changed back - physical change,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?