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The School House
Litter can be deadly
Objective
To investigate how harmful litter can be in an aquatic ecosystem and what we
can do to prevent this harm.
Indoor Activity
With your hand wrapped in a plastic six-pack ring, try to free it without using
your other hand.
Outdoor Activity
Collect litter on a shoreline. Divide the litter into two piles, biodegradable
and non-biodegradable. Make a litter collage of the non-biodegradable items.
Discuss the negative effects of litter in a marine ecosystem and what we can
do to prevent litter and the damage it causes.
Background
Litter in aquatic ecosystems can be deadly. Imagine accidentally eating a plastic
bag because it looks or smells like food. Plastic is not a normal part of your
diet. It can block
your digestive system and remain in your stomach, giving you that "full"
feeling, so that you don't eat enough to survive. Imagine getting cut on pieces
of broken glass. We are lucky that we have hands and fingers to get ourselves
out of a simple bind, like being caught in fishing line or a plastic six-pack
ring. Most aquatic animals do not have fingers. Imagine being a duck that has
accidentally gotten its head or feet entangled in a plastic six-pack ring, or
a seal that has swum into some old fishing line. How do they get untangled?
Many animals can't get free and will starve, suffocate, or strangle. Litter
can be deadly.
What can we do? We can start by recycling, reusing, and reducing waste. Consider
alternatives to buying overly packaged goods. Don't throw litter in lakes, rivers
or oceans or along their shores. And we can also tell others about the deadly
effects of litter and how to prevent the damage it causes. Every little bit
helps. We must all do our part to create a cleaner and safer environment.
Procedures:
Indoors
- Put your hand through the rings of a plastic six-pack ring.
- Pretend your hand and arm are a duck that has gotten entangled in the plastic.
Your hand is its head, your fingers its beak, and your forearm is its neck.
- Without using your other hand, teeth, or rubbing against something, can
you set the duck free?
Outdoors
- Take a walk along a shoreline. Collect the litter that you find.
Teacher tip: make sure you are well familiar with the site before
visiting.
- Divide the litter into two piles, biodegradable and non-biodegradable. What
happens to non-biodegradable litter?
- Of all the non-biodegradable products that you collect, are there any alternatives?
Can these products be recycled, reduced, or reused? What other things would
make a good substitute for these products? Think of ways to cut down on litter.
- Make a litter collage of the things you found.
- Create a list of ideas about how to prevent the creation of the litter that
you found by reducing, recycling, and reusing.
Do Fish Drink Water? | Aquatic
Food Webs | Litter Can Be Deadly | Choosing
Salmon Streams | Lesson Plans
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