Students at Carl Cozier
Elementary are becoming young scientists while raising salmon at the school. Kids
from kindergarten to fifth grade are learning about the lifecycle of the fish
and how they grow in a protected environment to strengthen their science
skills.
Raising the salmon in a
protected environment offers a better chance for salmon survival during the
development phase from egg to fish. In the wild, salmon can lay up to 3000 eggs
and only about 10 or 15 will survive. The elementary received 200 eggs from the
Nooksack Salmon Enhancement Association and only one egg has been lost so far.
The salmon will be raised in
a 144-liter tank at the school until they have developed enough to be released
into Whatcom Creek.
Classes are assigned
responsibilities for raising the salmon by their grade level. Kindergarteners
learn about the lifecycle of the fish and how they dig holes to hide from predators,
second graders check the water quality of the tank and older students make sure
the temperature is the right degree.
Kindergarten teacher Erica
Wayerski is in charge of the project and says her students are excited about
raising salmon.
“They love it,” Wayerski
said. “Every day they come in and stand around the fish tank checking to see if
they have hatched.”
The students are currently
anticipating fish to start swimming around the tank as soon as their yolk sacks
disappearing. This allows the fish to be able to be fed by the students instead
of receiving their nourishment from the sack.
“Right now the salmon are
still fry,” Wayerski said. “They come in as little tiny pink eggs that look
like rocks and they slowly start hatching.”
Students will gain knowledge
about the lifecycle of salmon that will make the junior scientists, Wayerski
said. The kids will learn about different types of salmon, phases of
development and parts of the anatomy that help a salmon swim, breath and eat.
Lessons also include how Native Americans in the Pacific Northwest depend on
the fish for food.
Lisa Conlan is a second
grade teacher at Carl Cozier and teaches science lessons to two classes about
salmon. Her students have examined what determines a healthy living space for
the developing fish.
Using their math skills,
Conlan’s students determined each salmon has about one liter of water to swim
in.
“We figured out the volume of water in the tank by building a huge
model out of our math cubes,” Conlan said. “We’ve had a great time using a
four-month calendar to record physical changes and development of the salmon
from eggs to alevin to fry.”
While the kids check the
tank daily to see if any eggs have turned into fish, the part most exciting to
the students is the release day, Wayerski said.
Each kid will get a cup
containing one fish to pour down a slide. They send their aquatic friend off
with a wish and release them into the stream.
The staff at Carl Cozier has
received positive feedback from students on this project and the experience has
impacted some students for many years.
“I have kids who were in my
class 15 or 20 years ago who still talk about it,” Wayerski said.
Along with Carl Cozier, Happy Valley and Larabee elementary also participate in similar salmon raising projects.
Along with Carl Cozier, Happy Valley and Larabee elementary also participate in similar salmon raising projects.
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