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Celestial Bodies, Planets, moons, asteroids

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4th Grade Science
Space Systems
14. Solar System
Celestial Bodies, Planets, moons, asteroids

Explore Planets, Moons, and Asteroids in Our Solar System

You will discover the amazing celestial bodies that make up our solar system, from the blazing Sun to icy comets and rocky asteroids.


What You'll Learn

You will identify eight planets orbiting our Sun in order.
You will learn what moons, asteroids, and comets really are.
You will discover what makes Earth unique among all planets.
You will understand how gravity keeps solar system objects orbiting.

What You'll Practice

1

You will identify and define key solar system celestial body types.

2

You will match planets to their special features and characteristics.

3

You will answer questions about planet order, moons, and asteroids.

Why This Matters

Understanding celestial bodies helps you explore the universe, connect Earth science to space science, and build the foundation for all future astronomy and space exploration learning.

This Unit Includes

1 Video lesson
Practice exercises
Learning resources

Skills

Solar System
Celestial Bodies
Planets
Asteroids
Gravity
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