3rd Grade Science—2nd Grading Period
3.L.1 Understand human body
systems and how they are
essential for life: protection,
movement and support.
Objectives and Clarifying Objectives
3.L.1.1 Compare the different functions of
the skeletal and muscular system.



3.L.1.2 Explain why skin is necessary for
protection and for the body to remain
healthy.




First Quarter
Unit of Study: Life Science
Essential Questions
Learning Targets (The Learner Will)
Why are muscles and bones
important for movement?
How do the muscular and
skeletal systems protect organs?
What are ways muscles and
bones can attach to each other?

What are the different parts of
skin?
How does skin protect the body
from disease?
Why is sunscreen important to
keep your skin healthy?
Why is it important to keep your
skin clean to stay healthy?




Know that muscles and bones work
together to allow movement
Understand that muscles and bones
are important for the protection of
organs.
Identify ways that muscles and
bones connect to each other
Build a model of an arm and tests its
movement
Students will examine their skin
using a hand lens and document
their observations in writing and
drawing.
Will explore the effectiveness of
sunscreen in protecting their skin
from UV light.
Key Vocabulary
Cartilage
Connective tissue
Joint
Muscle
Organ
Protein
Reflect
Rib
Skeleton
Spine
Tendon
vertebrae
Pore
Hair
Sweat gland
Hair follicle
Sun screen
3rd Grade Science—2nd Grading Period
UNIT:
Life
Science
Second Quarter
Week
Objective:
Resources:
Literacy and
Technology
Instructional
Tasks:
Reading:
Hands-On Activities
Week 1
3. L.1.1
Discovery
Education
DE Videos: Bones
and Muscles, The
Skeletal System
DE Reading Passage:
Bones and Muscles
Working Together
DE Reading Passage:
The Skeletal System
Chicken Wing
Investigation
Kids Skin Health
And Kids Health
Investigate Skin
Owl Moon by Jane
Yolen
Week 2
3.L.1.2
Discovery
Education
Kids Skin Health
Skin
Kids Health
DE Video: The Magic
School Bus: Goes
Cellular
Reading and
Interactive on Kids
Health and Kids Skin
Health
Owl Pellets
Seeing How Sun Screen
Works: UV Bead Activity