| A | B |
|---|
| harmful changes to the air, water and land | pollution |
| main causes of pollution | burning of fuel (oil, coal, wood) cars, trucks, and buses |
| things air pollution can do to us | make us cough, sneeze, have a headache, make our eyes sting or damage lungs |
| things communities are doing to protect the environment from pollution | new cars that don't give off as much pollution, factories have scrubbers, building solar homes |
| what is groundwater | water in the ground |
| how can groundwater become polluted? | fertilizers and pesticides |
| How can people and animals be harmed by polluted water? | animals die, people eat fish and get cancer and nerve damage |
| How do sewage treatment plants help to keep our water clean? | wastes are taken out of the sewage |
| a place where garbage and trash are buried | landfill |
| landfill problems | take up space, and seep into the ground |
| used again | recycle |
| Some recyclable materials | plastic, paper, rubber, copper, glass |
| break down to soil | biodegradable |
| the types of things in landfills that are biodegradable | paper and food scraps |
| what was better about the styrofoam we saw in class | biodegradable |
| what was wrong with the town called "Away" | it was polluting the bay |
| How did the townspeople help with this problem | signed an agreement to clean it up |
