Grades 3-6

Lesson 1: After taking a pre-quiz and assembling a skeleton floor puzzle, the students, in a group activity, will learn the common name, technical name, and function of major bones found in the body.

Lesson 2: The students will learn what makes bones strong and why it is important to have strong bones. They will also do an activity to show what happens to bones as they soften.

Lesson 3: The students will learn about the three types of joints, demonstrate how joints allow us to move, and understand that different joints perform different functions.


1.1: Develop abilities necessary to safely conduct scientific inquiry, including asking questions about objects, events, and organisms in the environment.

  • Make observation using the five senses

  • Record observations by drawing or orally explaining

3.1: Identify that plants and animals have structures and systems that serve functions for growth, survival, and reproduction.

  • List characteristics of living organisms (body systems)

Equipment Provided in the Kit

  • Mr. Thrifty Skeleton

  • Jar filled with beads representing 206 bones in the human body

  • Skeleton Floor Puzzle

  • Skeletal Parts Cards (8)

  • Be A Bone Activity Cards (26)

  • Skeleton X-Ray Puzzle

  • Milk Carton

  • 15 plastic containers with a lid

  • X-Rays of Broken Bones Packet

  • Lemon squeezing tool – Hinge

  • Soap pump – Pivot

  • Doggy ball thrower – ball and socket


Bones Lesson Plan Grades 3-6

Skeleton Information Chart
Skeleton Puzzle Pieces Lesson 1
Why DO I Need To Drink My Milk Activity
Skeleton Assessment

for more information:

Lauren Rivers, STEM Enrichment Director