Subject: Science
Grade Level: Third Grade
Unit Title: Let’s Dance!-The Human Body
Big Idea/Theme: systems, order, organization- bones and muscles
Timeframe Needed for Completion: 4 to 5 weeks
Grading Period: 1st 9 weeks
Understandings:
 Skeleton as a system of the human body
 Functions of bones
 Functions of joints
 Compare and contrast joints to other mechanical devices
 Muscles help us move
Essential Questions:
How does your body move?
How is your body like a machine?
Why is good health important?
Curriculum Goals/Objectives (to be assessed at the end of the
unit/quarter)
4.01 Identify the skeleton as a system of the human body.
4.02 Describe several functions of bones:



Support.
Protection.
Locomotion.
4.03 Describe the functions of different types of joints:



Hinge.
Ball and socket.
Gliding.
4.04 Describe how different kinds of joints allow movement and compare this to the
movement of mechanical devices.
4.05 Observe and describe how muscles cause the body to move.
Essential Skills/Vocabulary:
 Skeleton is a system of the human body
 Function of bones: support, protection, locomotion
 Function and types of joints: hinge, ball and socket, gliding
 Muscles
 Ligaments and tendons
 Flex and extend
 Bone marrow
 Cartilage
Assessment Tasks
- foldable for types of joints and mechanical devices that are similar
- create at collage of objects that represent different joints
- write to explain how your body moves
Materials Suggestions:
Websites:
The Bare Bones – contains links to other bone sites http://www.sfscience.com/english/grade_3/unit_D/chap_1/act_2/2.htm
http://library.thinkquest.org/5777/ske1.htm
http://library.thinkquest.org/5777/mus2.htm
http://www.slideshare.net/branderj/interactive-powerpoint-skeletal-system-presentation
Books:
The Muscular System (Human Body Systems) by Helen Frost
You Can't See Your Bones with Binoculars (You Can't…series) by Harriet Ziefert and Amanda Haley
My Bones and Muscles by Rau, Dana Meachen
Your Bones by DeGezelle, Terri,
Video: The Magic School Bus Flexes Its Muscles. This video shows how the muscles and bones work together.
Suggested Activities:
assemble a paper skeleton (can make an assessment- use a rubric)
bone burrito activity- mailbox magazine