Which animal has the biggest heart?

Which animal has the biggest heart?
Lesson narration:
English Spanish
Scroll for prep
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DISCUSS:

Which animal has the biggest heart?

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Step
01/20
Get your supplies.
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02/20
Let’s start your African animal heart safari.
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03/20
Discuss.
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04/20
An elephant shrew’s heart is about the size of the tip of your pinky.
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05/20
Get Up & Move. Time to go on a home safari. Look for objects that
are about the size of an elephant shrew heart. Use the tip of your
pinky to help you remember the size.
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06/20
Here are some things we found.
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07/20
Let’s continue on your African animal heart safari.
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08/20
Discuss.
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09/20
A human heart is about the size of your fist. A hyena’s heart is also
about the size of your fist.
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10/20
Get Up & Move. Time to continue your home safari. Look for objects
that are about the size of a hyena heart. You can use your fist to help
you remember the size.
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Here are some things we found.
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Let’s continue on your African animal heart safari.
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Discuss.
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An elephant’s heart is about the size of your entire body.
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Get Up & Move. Practice being the size of an elephant’s heart. Stand
up and then curl into a ball. You’re now the size of an elephant heart!
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Get Up & Move. It’s time for your final home safari scavenger hunt.
Look for objects that are about the size of an elephant’s heart. It’s
about the size of YOU!
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Here are some things we found.
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Step
18/20
Your African Animal Heart Safari has come to an end. Return all
objects from your home safari. Continue to the next step if you’d like
to make a Valentine’s Day card.
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19/20
Get your supplies.
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20/20
If you have time, create a Valentine’s Day card for someone special.
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Featured Reviews

“Favorite lesson so far. The kids were shocked and amazed!”
· Marsha · Teacher
“We loved the scavenger hunt. This was perfect for distance learning.”
· Susanne · Teacher
“The kids really enjoyed looking around the room for things that were similar sizes to animals' hearts.”
· Kara · Teacher
“Very fun! I loved the interactive activity after that was paper and material free! Very engaging for lower grades. ”
· Stephanie · Teacher
“The comparison of hearts to objects my students were able to understand. Their facial expressions said it all!!”
· · Teacher
“My students both in the classroom and at their homes LOVED searching for things that were the size of each animal's heart. This is one of my favorite mysteries so far!”
· Jacqueline · Teacher
“My 2nd/3rd grade class is all remote, so we couldn't celebrate Valentines Day as usual. We did the lesson and used the scavenger hunt as our Valentine activity in breakout rooms. Big smiles!”
· Julianne · Teacher
“My kinder students were engaged the entire time and they retained the information they learned. It was a fun Valentine themed science lesson for the kids.”
· Danielle · Teacher
“I love that it integrated so many levels of learning with activity and creativity!”
· Ruth · Homeschooler
“The scavenger hunt was fun for the kids and easy for distance learning. ”
· Stephanie · Teacher
“My kids loved going on a scavenger hunt for the things the same size as the hearts. They also liked guessing how big the hearts were.”
· Karen · Homeschooler
“The safari activity was awesome-I used as a distant learning lesson. What a fun way to get moving.”
· Patty · Teacher
“The kids loved how interactive it was!”
· Jennifer · Teacher
“Fun for Valentines and estimating size!”
· Whitney · Homeschooler
Lesson narration:
English Spanish

Activity Prep

Print Prep
In this mini-lesson, students will explore the similarities and differences between various animal hearts. In the no-prep activity, Animal Heart Safari, students go on a virtual safari to learn more about the variation in animal heart size. Students also participate in a scavenger hunt, looking for objects that are similar sizes to animal hearts. Students can then use this information to create Valentine's cards.
Preview activity
Blank Paper (8.5 x 11")
For making a Valentine's card. You can also use construction paper.
Details
2 sheets per student
Crayons
Colored pencils or markers will also work.
Details
3 per student
Pencil
1 per student
Scissors
1 per student
Prep Instructions

This is an activity that kids can do in class or at home, solo or with others. No print-outs needed!

Extend this lesson

Discussions

Discussion

  1. Which animal has the biggest heart?

  2. What did this lesson make you curious about? What other questions do you have?

Activity

Activity

Your heart is smaller than an adult’s heart. Your heartbeat is also different from an adult’s! Try feeling your heartbeat. Sit quietly. Put two fingers on the side of your neck, right below your chin. Can you feel something moving under your fingers? That's your pulse, the movement of blood pushed by your heart. If you don't feel it, move your fingers a little and try again. It takes practice and patience, but you can do it! Then, see if you can feel the heartbeat of an adult. Is it beating at the same speed, faster, or slower?
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Which animal has the biggest heart?

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