| Question |
Answer |
| ability of a substance to go through a chemical change easily | reactivity |
| substances that do not go through chemical changes very easily | stability |
| substances mixed together before a chemical change takes place | reactants |
| a new substance that is formed after a chemical change | products |
| a substance's ability to burn | combustibility |
| Is a new substance ALWAYS formed during a chemical change? | YES |
| Are the atoms ALWAYS rearranged during a chemical change? | YES |
| Are the atoms rearranged during a physical change? | NO |
| Can a chemical change ALWAYS be easily reversed? | NO |
| Can a physical change USUALLY be reversed? | YES |
| Is a change in size usually a physical or chemical change? | physical change |
| Is a change in shape usually a physical or chemical change? | physical change |
| Is heat or light being given off usually a physical or chemical change? | chemical change |
| Is a strange change in color usually a physical or chemical change? | chemical change |
| Are bubbles produced without heat usually a physical or chemical change? | chemical change |
| Is tearing a substance into pieces usually a physical or chemical change? | physical change |
| type of chemical reaction when two elements combine to form a compoud | combination reaction |
| type of chemical reaction when a compound breaks down into smaller molecules | decomposition reaction |
| type of chemical reaction when one element replaces another in a compound | single replacement reaction |
| type of chemical reaction when compounds switch atoms | double replacement reaction |
| type of chemical reaction that occurrs when matter burns | combustion reaction |
Biology Lab Midterm
