Ⅰ Biology
01 Biodiversity and Classification
02 Photosynthesis and respiration
03 Digestion
04 Circulation
05 Breathing and Excretion
06 Sense Organs
07 Nervous System
08 Chromosomes and mitosis
09 Germ cell division and development
10 Genetics

Ⅱ Physics
11 strength
12 Exercises
13 Heat and Our Life
14 Light
15 waves
16 Work and Energy
17 Energy Transition and Conservation
18 Electricity
19 Current, voltage, and electrical resistance
20 Magnetic action of electric energy and current

Ⅲ Chemistry
21 Properties of Gases
22 Changes in the state of matter
23 elements, atoms, and molecules
24 ions
25 Properties of Materials
26 Separation of mixture
27 Changes in matter and chemical reactions
28 Law of Conservation of Mass
29. The law of constant composition
30 Laws of Gas Reactions

Ⅳ Earth Science
31 Earth and the Geosphere
32 rocks
33 The movement of land rights
34 Composition and circulation of water rights
35 abstentions
36 Pressure and Weather
37 Earth and Moon
38 Solar System
39 stars
40 Galaxies and the Universe

Final skill check
1 mock exam
2 mock exams

[Special Edition] Answers and Explanations
[Appendix] Kkukkuki's Note

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