Decomposition in Food Webs Lesson 5B
FOOD WEBS LESSON 5B
What Happens to the Matter That
Makes Up Wastes and Dead
Organisms? (Part 2)
Today’s Focus Question
What happens to the matter that makes up
wastes and dead organisms?
What We Know So Far about the Strawberries
1.
The strawberries are
decomposing
. They are
breaking down into tiny pieces and shrinking.
2.
There is something on the strawberries that
we think is mold.
3.
The mass of the strawberry jar is staying the
same even though the strawberries are
getting smaller.
Our Questions about the Strawberries
Two more questions:
1.
What does the mold on the strawberries
have to do with decomposition?
2.
Why isn’t the mass of the jar going down as
the strawberries get smaller?
What Happens to Wastes and Dead Stuff?
Next, we’re going to read an essay about
decomposition.
As you read, look for any
new ideas
that can
help us answer these analysis questions:
•
How do the strawberries decompose?
•
Why did the mass of the strawberry jar
stay the same?
What New Ideas Did You Find?
Round-robin:
Share
one new idea
you found in
the essay.
Tell us what your new idea is in a
complete
sentence
.
Then tell us how you think it will help
us answer one of our analysis questions:
•
How do the strawberries decompose?
•
Why did the mass of the strawberry jar
stay the same?
Your Food-Chain Diagrams
Add to your
diagram to show
what happens
when the bush,
the mouse, and
the hawk die.
Matter Is Recycled!
Next Time
In the next lesson, we’ll explore these
questions:
•
What happens to
energy
in food chains?
•
Can it be recycled like matter?
Explore the process of decomposition in food webs through a series of investigations involving strawberries and their decomposition process. Uncover the role of mold in decomposition, the consistency of mass despite shrinkage, and the recycling of matter in ecosystems. Engage with questions on the decomposition of wastes and dead organisms, shedding light on the intricate balance of nutrients in nature.
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Presentation Transcript
FOOD WEBS LESSON 5B What Happens to the Matter That Makes Up Wastes and Dead Organisms? (Part 2)
Todays Focus Question What happens to the matter that makes up wastes and dead organisms?
What We Know So Far about the Strawberries 1. The strawberries are decomposing. They are breaking down into tiny pieces and shrinking. 2. There is something on the strawberries that we think is mold. 3. The mass of the strawberry jar is staying the same even though the strawberries are getting smaller.
Our Questions about the Strawberries Two more questions: 1. What does the mold on the strawberries have to do with decomposition? 2. Why isn t the mass of the jar going down as the strawberries get smaller?
What Happens to Wastes and Dead Stuff? Next, we re going to read an essay about decomposition. As you read, look for any new ideas that can help us answer these analysis questions: How do the strawberries decompose? Why did the mass of the strawberry jar stay the same?
What New Ideas Did You Find? Round-robin: Share one new idea you found in the essay. Tell us what your new idea is in a complete sentence.Then tell us how you think it will help us answer one of our analysis questions: How do the strawberries decompose? Why did the mass of the strawberry jar stay the same?
Your Food-Chain Diagrams Add to your diagram to show what happens when the bush, the mouse, and the hawk die.
Next Time In the next lesson, we ll explore these questions: What happens to energy in food chains? Can it be recycled like matter?
