| A | B |
| molecule | a chemical bond holds atoms together in a ? or compound |
| physical | changes in the state of matter are ? changes, for example, when water changes to a gas through evaporation |
| formula | the chemical ? for baking soda is NaHCO3. |
| mixtures | ocean water and trail mix are examples of ? |
| volume | the ? of an irregular object can be measured by placing the item in water in a graduated cylinder |
| chemical | burning paper toasting marshmallows, and baking cookies are examples of ? change |
| energy | ? is the ability to do work or cause change |
| compound | a ? contains atoms that are bonded together chemically |