Food Chains

5th Grade Science
Interactions in Ecosystems
Topic 6/Lesson 3

January 28, 2025

Multiple Choice

How was this landform created?

• Sand dunes are formed by volcanic activity.
• Sand dunes are created by glacial movement.
• Sand dunes are formed from underwater sediment deposition.
• Sand dunes are formed by wind-erosion and deposition

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Topic 6: Interactions in Ecosystems

LO: SWBAT describe the flow of energy in a food
chain.

DOL: SW correctly describe the flow of energy in a food chain in at least 4 of 5 questions.

SCI 5.12(B) predict how changes in the ecosystem affect the cycling of matter and flow of energy in a food web
SEPs: 5.1D, 5.1G,5.2A
RTCs: 5.5B

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​NEW VOCAB WORDS!!

Open Ended

 How does the amount of energy change as it moves up a food chain?

Sentence Stem: I think energy changes when....

Make sure these anchor charts are glued into your notebooks from yesterday. Need one? check your folder!

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How are plants and animals connected in an ecosystem?

Respond
As you read, look for
information about
producers,
consumers, and
decomposers in
wetlands.

Discuss
At the end, talk with
a partner about what
you learned about
organisms in wetland
ecosystems.

​"Pass the Energy" (Ball Toss Game)
Student 1: The sun
Student 2: Leaf
Student 3: Grasshopper
Student 4: Hawk
When I say pass the ball, pass it.

​STUDENT PACED SLIDES 9-14

Multiple Choice

What is a food chain?

• A food chain is a type of restaurant.
• A food chain refers to a group of fast-food outlets.
• A food chain is a method of cooking food.
• A food chain is series of steps showing how matter and energy move from one organism to another

Open Ended

How does energy transfer in wetlands?

Sentence stem: Energy transfers....

Open Ended

Why are producers essential to an ecosystem?

Sentence stem: Producers are essential to an ecosystem because they.....

Open Ended

Why is the relationship between primary and secondary consumers important?

Sentence Stem: The relationship between primary and secondary consumers are important because......

Multiple Choice

What is a decomposer?

• A decomposer is a plant that produces energy.
• A decomposer is a type of bacteria that causes disease.
• A decomposer are organisms that use dead organisms or their wastes as matter and energy.

• A decomposer is an animal that hunts for food.

Open Ended

What is the role of a decomposer in an ecosystem?

Give me one example of a decomposer from the text.

Sentence Stem: The role of a decomposer is...

Open Ended

A disease caused the snake population in the area to get sick and die.

How would the food chain be affected if there were no snakes?

Talk to your partner then answer the question.

Sentence stem: If there were no snakes, the food chain would be affected because..

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Food Chains

The table below provides information about the diets of different
organisms in a pond ecosystem.

Based on this information, CREATE a food chain that could be found in this ecosystem. Find the producer (plant) LABEL the primary and secondary consumers.

​GRAB A RESPONSE CARD!!

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Food Chains

Based on this information, create a food chain that
could be found in this ecosystem.

​ALGAE -----> SNAIL ------> FROG ------> HERON

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SW correctly describe the flow of energy in a food chain in at least 4 of 5 questions.

After your DOL,
work on the worksheet according to your DOL score

Demonstration of Learning