According to the Earthworks Group, about 28 billion bottles and jars are thrown away every year. That's enough to fill both towers of New York's World Trade Center every two weeks. Some recycling doesn't include destroying the old product to make a new product, rather, it involves reusing the old product in a new way. Fifty simple things you can do to save the earth. The great recycler.
More Space See how compacting a container affects how much space it takes up.
You will find out how the volume of a container can be measured. Using your calculations, you will see the significance of compaction as it relates to landfills. Divide your students into three groups. Have each group select one type of container to conduct its tests on. Each group can use any method it can think of to find out how much volume its container has, i.e., how much space the container would take up in a landfill.