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Why would a sea turtle eat a plastic bag?
Animal & Plant Adaptations Unit | Lesson 2 of 3
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Why would a sea turtle eat a plastic bag?

Animal & Plant Adaptations Unit | Lesson 2 of 3
Lesson narration:
English Spanish
Scroll for prep
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DISCUSS:
Why do you think a sea turtle might eat a plastic bag?
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DISCUSS:

Think of your favorite sweet food.

What does it smell like, feel like, sound like, look like, taste like?

What memories do you have of that food?

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DISCUSS:

What kinds of animals do you have near where you live? What do you know about their SENSES, INSTINCTS, and MEMORIES?

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Step
01/20
You’ll work with a partner.
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Step
02/20
Get your supplies.
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Step
03/20
Fold your Raccoon Senses and Raccoon Behavior sheets on the thin
black line. Put the “Mystery Item 1” side face up.
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Step
04/20
Cut out all of the Memory Cards along the dotted lines. Stack them
into 3 piles: Touch Memories, Smell Memories, & Sight Memories.
Put the piles off to the side.
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Step
05/20
Get your supply. Then, feel the item inside the bag without looking at
what it is.
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Step
06/20
After using your sense of touch to gather information about the
Mystery Item, write what you notice in the “touch” box on your
Raccoon Senses sheet.
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Step
07/20
Place your Brain Model in between you and your partner. Tape the
two sheets together with your label stickers. Stack each pile of cards
on the matching memory box.
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Step
08/20
Spread out Touch Memory cards on your Raccoon Brain Model. Keep
cards that seem helpful for figuring out what the Mystery Item is.
Move others back to the Touch Memory card box.
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Step
09/20
Watch the video. Use your sense of sight to gather clues about the
Mystery Item. Write down all of the information you gather in the
“sight” box on your Senses sheet.
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Step
10/20
Spread out the Sight Memory cards on your Raccoon Brain Model.
Keep the cards that will help you figure out what the Mystery Item is.
Move others back to the Sight Memory card box.
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Step
11/20
Watch the video. Use your sense of smell to gather clues about the
Mystery Item. Draw the shape of the smell lines and write where
they’re coming from in the “smell” box on your worksheet.
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Step
12/20
Spread out the Smell Memory cards on your Raccoon Brain Model.
Keep the cards that will help you figure out what the Mystery Item is.
Move others back to the Smell Memory card box.
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Step
13/20
Discuss with your partner. Then, answer questions 1 & 2 on your
Racoon Behavior sheet.
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Step
14/20
Sort Memory Cards into their original 3 piles. Put the piles back in
their matching boxes on your Brain Model. Flip your Racoon Senses
& Raccoon Behavior sheets to the “Mystery Item 2” side.
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Step
15/20
Get your final supply. Feel the item inside the bag WITHOUT looking
at it. Write down what you notice in the “touch” box on the Mystery
Item 2 side of your Raccoon Senses sheet.
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Step
16/20
Spread out the Touch Memory cards on your Raccoon Brain Model.
Keep cards that will help you figure out what the Mystery Item is.
Move others back to the Touch Memory card box.
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Step
17/20
Watch the video. Use your senses of sight & smell to gather clues
about the Mystery Item. Write down all of the information you
gather in the “sight” & “smell” boxes on your Raccoon Senses sheet.
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Step
18/20
Spread out Sight & Smell Memory cards on your Raccoon Brain
Model. Keep cards that will help you figure out what the Mystery
Item is. Move others back to the Memory card boxes.
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Step
19/20
Discuss with your partner. Then, answer questions 3 & 4 on your
Racoon Behavior sheet.
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Step
20/20
Discuss.
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DISCUSS: Here are some memories a sea turtle might have.
Do you have any new ideas about why a sea turtle might eat a plastic bag?
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brain


1 of 7

a part of the body that receives and responds to signals from the senses and also stores memories
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senses


2 of 7

a part of the body (eyes, ears, nose, mouth, hands) that gathers information about the environment
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memory


3 of 7

information that is stored in the brain and can be remembered
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behavior


4 of 7

the actions and reactions of living things
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learned behavior


5 of 7

a behavior that is learned based on past experiences
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instinct


6 of 7

a behavior that a living thing does without being taught
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model


7 of 7

a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with
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Lesson narration:
English Spanish

Grade 4

Animal & Plant Adaptations

Learned Behavior & Instinct

4-LS1-2

Activity Prep

Print Prep
This is a NEW lesson we are BETA testing! If you prepped before 6/1/24 or if you have a Mystery Pack, you'll need to gather the supplies listed below.
In this lesson, students explore how animals receive information through their senses and process that information in their brain, using instincts and memories to guide their behaviors. In the activity, Raccoon Reactions, students use models to understand how an animal’s senses, brain, and memories all work together as a system to influence their behavior and support their survival.
Preview activity
Number of students:

I have a Mystery Pack

Please note: This is a NEW lesson we are BETA testing! If you have a Mystery Pack, you’ll need to gather most of the supplies listed below.
Raccoon Behavior worksheet 30 copies
Raccoon Brain Model printout Print 15 copies
Raccoon Memory Cards printout Print 15 copies
Raccoon Senses worksheet 30 copies
Raccoon Senses & Behavior Answer Key teacher-only resource 1 copy
Scissors
30 pairs
Aluminum Foil
Each pair of students needs a 3" x 3" piece, which will be Mystery Item 2 (see prep below).
Details
15 small pieces
Cotton Balls
15 balls
Paper Lunch Bags
30 bags
Sticker Labels (1" x 3")
Tape also works. We prefer stickers because they are easier to distribute in a classroom.
Details
30 stickers
Prep Instructions

We suggest students work in pairs. Homeschool students can work on their own.

Prepare Bags

Divide the paper bags into two equal piles. We suggest labeling each bag in the first pile “1” and each bag in the second pile “2." These will correspond to “Mystery Item 1” and “Mystery Item 2” in the activity.

Place one cotton ball into each bag in the first pile. You’ll distribute one of these bags to each pair of students in Step 5 of the activity.

Place one small square of aluminum foil into each of the other bags. Try to avoid squeezing the foil into a ball because that will make it difficult for students to feel the texture. You’ll distribute one of these bags to each pair of students in Step 15 of the activity.

Make Sure You Have Space

Ensure that each pair of students has enough space to lay out their Raccoon Brain models and the Memory Cards. Two student desks side-by-side should be sufficient.

Exploration

15 mins

Hands-On Activity

40 mins

Wrap-Up

10 mins

Grade 4

Animal & Plant Adaptations

Learned Behavior & Instinct

4-LS1-2

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