U.3 L.2 Axial Bones

Grade 3 | Unit 3: The Human Body

Lesson 2:
The Skeletal
System: Axial
Bones

Our Learning
Goals

Unit 3, Lesson 2: The Skeletal System: Axial Bones

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Start of Lesson

Speaking and

Listening

Reading

Writing

Take-Home

Material

End of Lesson

What are our learning goals?

Unit 3, Lesson 2: The Skeletal System: Axial Bones

I can identify different axial bones within the skeletal system.

I can identify how the axial bones function within the body.

What are our learning goals?

Unit 3, Lesson 2: The Skeletal System: Axial Bones

I can read and answer comprehension questions about the
body's skeletal system, including the axial bones.

I can identify sentences in paragraphs, including topic and
concluding sentences.

Speaking and
Listening

Unit 3, Lesson 2: The Skeletal System: Axial Bones

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Start of Lesson

Speaking and

Listening

Reading

Writing

Take-Home

Material

End of Lesson

Vocabulary

Unit 3, Lesson 2: The Skeletal System: Axial Bones

axial bones

cartilage

cranium

spinal column

structure

axial

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Let’s Read

Unit 3, Lesson 2: The Skeletal System: Axial Bones

“The Skeletal System: The Axial Bones”

Unit 3, Lesson 2: The Skeletal System: Axial Bones

​Ricardo's riddle:
We are a column of bones, stacked on top of each other. Collectively, we make up your backbone. We begin with the letter 'v' What are we?

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Multiple Choice

What is the top of your ear made from?

• Cartilage
• Skin
• Muscle
• Bone

Multiple Choice

By the time you were born, you had about 300 bones in your body. As an adult how many bones will you have?

• 198
• 300
• 206
• 250

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Multiple Choice

What makes your bones harden?

• Excessive exercise
• High sugar intake
• Minerals like calcium

• Lack of sleep

Multiple Select

What foods contain calcium? (select all that apply)

• Grains such as rice and wheat
• leafy vegetables

• Milk and dairy products

• Sugary snacks like candy and cookies

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Multiple Choice

______ is a jellylike tissue that fills these cavities of your porous bones.

• adipose tissue
• cartilage
• synovial fluid
• bone marrow

Multiple Choice

Your skeletal bones are designed in specific ways to ______ and _____ every part of your body.

• support and protect
• weaken and damage
• compress and stretch
• isolate and detach

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Multiple Choice

Which bones make up your axial skeleton?

• Humerus, femur, tibia, and fibula.
• Pelvis, scapula, clavicle, and patella.
• Skull, spine, ribs, and sternum.

• Carpals, tarsals, metacarpals, and metatarsals.

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Multiple Choice

What is the main job of your axial bones?

• To protect important organs

• To facilitate movement of limbs
• To store fat and energy
• To provide flexibility in the spine

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Discussing the
Read-Aloud

Unit 3, Lesson 2: The Skeletal System: Axial Bones

What word are we learning about?

structure

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Sharing Activity

structure

A structure is a form or shape, or something that is made up of
a number of parts arranged together.

Reading
About It

Unit 3, Lesson 2: The Skeletal System: Axial Bones

How Does Your Body Work?

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Start of Lesson

Speaking and

Listening

Reading

Writing

Take-Home

Material

End of Lesson

Vocabulary

Unit 3, Lesson 2: The Skeletal System: Axial Bones

cranium

expand

fibula

organs

pelvis

scapula

Vocabulary

Unit 3, Lesson 2: The Skeletal System: Axial Bones

shoulder blades

skeletal system

skull

sternum

tibia

vertebrae

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Whole Group
Reading, Chapter 1

“The Skeletal System”

Check for
Understanding

Unit 3, Lesson 2: The Skeletal System: Axial Bones

Writing
About It

Unit 3, Lesson 2: The Skeletal System: Axial Bones

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Start of Lesson

Speaking and

Listening

Reading

Writing

Take-Home

Material

End of Lesson

Keep Learning

Unit 3, Lesson 2: The Skeletal System: Axial Bones

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Start of Lesson

Speaking and

Listening

Reading

Writing

Take-Home

Material

End of Lesson

End of Activities for Lesson

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Unit 3, Lesson 2: The Skeletal System: Axial Bones