| A | B |
|---|
| acid rain | rain that has turned acidic because of pollution in the air |
| cardboard | stiff, thick paper material used to make boxes |
| coal | a hard, black substance found in the earth that is burned as fuel |
| compost | recycling left over food scraps that can be added to the soil to help plants grow |
| conservation | to save and protect, not waste |
| electricity | energy that provides light and runs appliances |
| environment | the soil, air, and water around ud that affect living things |
| erosion | the carrying away of soil, rock, and other materials from the Earth's surface |
| gasoline | a liquid fuel that is made from oil and used by cars |
| landfill | a large hole where garbage is dumped and covered with soil |
| litter | trash left on the ground |
| newspaper | a printed paper that provides the news and other information |
| oxygen | this is the gas that is what is released into the air from plants and trees that is needed for people to breathe |
| plastic | a man-made substance that is light, strong, and can be molded into different shapes like gallon milk jugs |
| pollution | anything that makes the air, water, and land unclean |
| recycle | to use old materials to make new things - ex: aluminum cans |
| reduce | make less; make smaller - ex: the amount of garbage sent to the landfill |
| reuse | use something more than once - ex: to wash and use plastic cups or bags more than once |
| soil | the loose, top part of the ground in which plants grow |
| carbon dioxide | too much of this in the air is harmful for animals and people to breathe |
