Ch 3: Earth in the Solar System: Help and Review

About This Chapter

The Earth in the Solar System chapter of this Middle School Physical Science Help and Review course is the simplest way to master our home planet's place in the solar system. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of Earth in the solar system.

Who's it for?

Anyone who needs help learning or mastering middle school physical science material will benefit from taking this course. There is no faster or easier way to learn middle school physical science. Among those who would benefit are:

  • Students who have fallen behind in understanding planetary and galaxy components
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning science (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about Earth in the solar system
  • Students who struggle to understand their teachers
  • Students who attend schools without extra science learning resources

How it works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the Earth in the Solar System chapter exam.

Why it works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the Earth in the Solar System chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any question about Earth in the solar system. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

This chapter helps students review the concepts in an Earth in the solar system unit of a standard middle school physical science course. Topics covered include:

  • Spherical and elliptical galaxies
  • Sun's structure
  • Life cycle of the sun
  • Star formation
  • Types of stars by color and life cycle
  • Astronomical units and light years
  • Inner planets of the solar system
  • Outer planets
  • Asteroids and meteorites
  • Moon formation theories

16 Lessons in Chapter 3: Earth in the Solar System: Help and Review
Test your knowledge with a 30-question chapter practice test
Galaxy Formation: Spiral, Elliptical & Irregular Galaxies

1. Galaxy Formation: Spiral, Elliptical & Irregular Galaxies

This lesson explains how galaxies form, starting with the Big Bang. You'll also learn about the solar nebula hypothesis and three galaxy types, including spiral, elliptical, and irregular galaxies.

Structure of the Sun

2. Structure of the Sun

Discover the layers of the sun, including the core, radiative zone, convective zone, photosphere, chromosphere, and corona. Find out which layers you can see from Earth. Investigate what sunspots and solar flares are.

Stages of the Sun's Life Cycle

3. Stages of the Sun's Life Cycle

Discover our sun, the provider of energy for life on Earth. Learn how the sun was born, how it lives as a main sequence star, how it will age into a red giant and how it will die as a white dwarf.

Star Formation: Main Sequence, Dwarf & Giant Stars

4. Star Formation: Main Sequence, Dwarf & Giant Stars

Learn how stars are born, beginning with a protostar. Then learn about stars in later stages of life, including main sequence stars, brown dwarfs, red giants, and black holes.

Types of Stars by Size, Color and Life Cycle

5. Types of Stars by Size, Color and Life Cycle

Learn to identify the different sizes and colors of stars and how they relate to the star life cycle. In this lesson, we'll talk about spectral classification, how many stars there are of each type and the approximate color of the different classes of stars.

Astronomical Units & Light Years: Definition & Examples

6. Astronomical Units & Light Years: Definition & Examples

After watching this video, you will be able to explain why we need special astronomical ways of measuring distance. You will also be able to state the meaning of the terms astronomical unit, light year and parsec. A short quiz will follow.

Stars as a Source of Light: Definition & Explanation

7. Stars as a Source of Light: Definition & Explanation

After reviewing this lesson, you will be able to explain how stars are a source of light, and why we see other objects in our solar system. A short quiz will follow.

Inner Planets of the Solar System: Mercury, Venus, Earth & Mars

8. Inner Planets of the Solar System: Mercury, Venus, Earth & Mars

Take a tour of the four inner planets: Mercury, Venus, Earth and Mars. Known as the terrestrial planets, find out what makes each of them unique and how they are different from the outer planets, the gas giants.

Outer Planets of the Solar System: Jupiter, Saturn, Uranus, Neptune

9. Outer Planets of the Solar System: Jupiter, Saturn, Uranus, Neptune

Take a tour of the outer planets of our solar system: Jupiter, Saturn, Uranus, and Neptune. Find out what makes each of these gas giants unique and learn about Pluto, a dwarf planet.

Dwarf Planets of the Solar System: Pluto, Eris, Haumea & Ceres

10. Dwarf Planets of the Solar System: Pluto, Eris, Haumea & Ceres

Discover why Pluto had to leave the league of planets and was downgraded to a dwarf planet. Learn the definitions for planet and dwarf planet. Find out about the currently classified dwarf planets in our solar system: Pluto, Eris, Ceres, Haumea and Makemake.

Asteroids, Meteorites & Comets: Definitions and Characteristics

11. Asteroids, Meteorites & Comets: Definitions and Characteristics

This lesson will cover the definitions and characteristics of asteroids, comets and meteorites. It will also explore what impact they have had on Earth and the impact they might have in the future.

Formation of the Moon: Theories

12. Formation of the Moon: Theories

Explore the four major theories on the formation of the Moon. The theories include the fission theory, capture theory, condensation theory and giant impact theory. Also look at both information supporting and flaws found in these theories.

Major Constellations: Facts & Names

13. Major Constellations: Facts & Names

Learning about constellations is not only fun, but a great way to identify the stars in the sky. This lesson will outline a few major constellations, along with their associated myths, and then will give you some fun constellation facts.

Why Do Stars Twinkle?

14. Why Do Stars Twinkle?

Do you know why stars twinkle? Do they twinkle at all or is it our imagination? Technically called scintillation, this lesson will teach you what twinkling is and why it happens.

Space Travel: History, Dangers & Benefits

15. Space Travel: History, Dangers & Benefits

Space is fascinating. Humans have been sending objects into space for decades, trying to learn about Earth and what's beyond. But while space travel can be beneficial, there are also risks that come along with exploring the rest of the universe.

The Scientific Field of Astronomy

16. The Scientific Field of Astronomy

Space is a large and exciting place, full of things we have yet to discover. Astronomy aims to uncover the mysteries of space, something people have been fascinated with as long as they have been on Earth.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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