| A | B |
| Biodegradable | Capable of being broken down by bacteria and natural decomposers |
| Composting | Helping the natural decomposition process to break things down |
| Corrosive | Able to dissolve or breakdown many substances |
| Explosive | Capable of reacting very quickly when exposed to air or water |
| Flammable | Capable of catching fire easily and burning at low temperatures |
| Hazardous waste | Materials that can be harmful if not disposed of properly |
| Incineration | Burning of a solid waste |
| Landfill | A place to safely bury non-hazardous waste |
| Leachate | Water that has passed through buried wastes in a landfill |
| Municipal waste | Wastes produced in homes |
| Radioactive | Containing unstable atoms |
| Recycling | Process of reclaiming and reusing raw materials |
| Resins | Solid material produced during oil refining to make plastics |
| Toxic | Damaging to health of humans and other organisms |