Part 1.
Changes in land rights
1.
How can we know what's inside the Earth?
2.
How were rocks formed?
3.
Want to learn about the rock cycle?
4.
Rocks are made up of minerals.
5.
From rock to soil
6.
The continent is moving
7.
Volcanic belts and earthquake belts coincide
8.
There was an earthquake

Part 2.
solar system
1.
How do we measure the size of the Earth and the Moon?
2.
The Earth rotates and also orbits.
3.
Why does the moon's appearance change?
4.
Solar System Family
5.
The star called the sun

Part 3.
Hydrosphere and ocean circulation
1.
Water, a precious resource
2.
How do seawater temperature and salinity change?
3.
Go with the current
4.
The sea level changes

Part 4.
Abstention and Weather
1.
How does the temperature change as you go higher?
2.
The Earth is getting warmer
3.
Water vapor in the air is changing into water droplets.
4.
How do we express the humidity of the air?
5.
What are clouds made of?
6.
The wind blows due to differences in atmospheric pressure.
7.
When air masses with different properties meet
8.
The weather in our country varies

Part 5.
Stars and Space
1.
How do we measure the distance to a star?
2.
How are the brightness and magnitude of a star determined?
3.
How can we know the temperature of a star?
4.
What does our galaxy look like?
5.
What celestial bodies make up our galaxy?
6.
Is the universe expanding?
7.
What are the achievements of human space exploration?

★Recommended by Professor Jeon Yeong-seok of the Department of Science Education, Seoul National University of Education!★
★Recommended by Seo Yoon-hee, a teacher at Hansung Science High School!★

▶ Concept organization according to the Ministry of Education's new curriculum!
In line with the new curriculum's basic direction of fostering fundamental scientific literacy by presenting core concepts and principles, we have explained the core concepts of each subject in a way that makes them easy and quick to understand.

▶ Clear learning objectives!
Learning objectives are included in a short story format at the beginning of each part, so that you can know the core topic of each part in advance and focus on it.

▶ Detailed explanations that are easy to understand!
It covers the overall content of each subject, so that it can be used as a supplementary textbook, reference book, or homeschooling textbook, while organizing the explanations as easily as possible. It also includes plenty of related figures and photos to help you understand them more clearly.

▶ Organized so you can see key concepts at a glance!
At the end of each unit, we summarize key concepts with “Know This.”

▶ Solve problems considering descriptive evaluation!
We have included actual descriptive questions to help you become familiar with the process assessment and descriptive assessment that are emphasized in recent curricula.