RECYCLING: Conserving Natural Resources
1. From where do all of the materials we depend on come?
2. Unfortunately, most of these resources are
.
3. Renewable resources are resources that can be replenished by natural processes within
4. EXAMPLES OF RENEWABLE RESOURCES:
5. Nonrenewable resources are FINITE. Once they are used, none will be created
.
.
6. EXAMPLES OF NONRENEWABLE RESOURCES:
.
7. The 4 major steps in processing aluminum are
a. _____
b. _______
c. ________
d. ________
8. The name of ORE that Aluminum comes from is
_______
a
nonrenewable resource.
9. Write the ratio of BAUXITE needed to create ALUMINUM and ROCK needed to create GOLD:
a. ___________________
b. ______________
10.Once the ore is taken to the mill it is crushed and the valuable part is separated from the
waste, which is called ________
11.Tailings may contain ___________
and
___________
which can pollute nearby streams and rivers and kill aquatic life.
________
12.It takes HUGE AMOUNTS OF
__________
comes from nearby COAL BURNING POWER PLANTS.
13.Of the trees logged in the United States,
__
_____________
to make Aluminum. This electricity
are used to make a multitude of
.
14.The 5 major steps in creating paper products are:
a. __________
b. __________
c. _______
d. _________
e. _______
_
15.Clear-cutting forests has several major environmental impacts. List two:
a. ____________
b. ________
c. ___________________
16.What is the problem with dioxins that are produced by bleaching paper?
___
____________________________________________________________________________
17.How much trash or MUNICIPAL SOLID WASTE do Americans throw away every year?
___
_____________________________________________________
18.Where is MOST of our trash put? ___________________
19.Fill-in the percentages of garbage types found in landfills:
a.
b.
c.
d.
PAPER:
FOOD/YARD WASTE:
METALS/PLASTICS/GLASS:
OTHER MATERIALS (wood/rubber):
20.Why are more than half of the landfills in the US closed or closing?
_______________
____________________________________
21.Burning trash has the positive effect of
but also the negative effect of
_________________________
___________________________
________ ____
22.Recycling reduces 3 things. What are they?
a. _
b. _
c. _
23.Collected recyclables are taken to a ___________________________
MRF.
24.How are ferrous or steel materials separated?
_____________
25.Once materials are sorted and baled, where do they go? _____________________
26.How much energy is saved by recycling Aluminum?
___
27.Why?
___________________________________________________________
________
28.How many trees would be saved annually if all Americans recycled their newspapers?
_____________
29.List THREE ways YOU can reduce waste:
a. _____________________
b. ___________
c. ___________________
30.What are the THREE R’s?
a. _____
b. _____
c. _______
or a