1.
Power and Our Life

Day 1: Power-related phenomena
Day 2: Compare weights using horizontal grip
Day 3: Why You Need a Scale
Day 4: Comparing the weight of objects using a spring scale
Day 5: Lever and Inclined Plane to Reduce Force
Day 6: Organizing your thoughts into a network and evaluating each unit

2.
Animal life

Day 7: Classification of animals by characteristics
Day 8: Animals living on land
Day 9: Animals that live in water
Day 10: Animals living in deserts, polar regions, and high mountains
Day 11: Household items using animal characteristics
Day 12: Organize your thoughts into a network and evaluate each unit.

3.
Plant life

Day 13: Classification of plants based on the characteristics of their leaves and plants around us
Day 14: Plants living in fields or mountains
Day 15: Plants living in rivers or ponds
Day 16: Plants that live in deserts, mudflats, and high mountains
Day 17: Household items using plant characteristics
Day 18: Organizing your thoughts into a network and evaluating each unit

4.
A life of a living thing

Day 19: Observation of the animal's first birthday
Day 20: The life cycle of various animals
Day 21: Conditions required for seeds to germinate
Day 22: Conditions required for plant growth
Day 23: The life cycle of various plants
Day 24: Organizing Your Thoughts into a Network and Evaluating Units

A vivid science textbook! New textbooks reflect O2 elementary science!

[The core of the 7 textbooks!]

It consists of a neat concept summary that includes all the important content of the seven textbooks that reflect the 2022 revised curriculum, and problems suitable for checking learning outcomes.

[Explore more easily with experiments and helpful videos!]

Begin your learning with exploration following the textbook flow, and provide experiment videos and helpful videos via QR codes to make exploration easier to understand.

[6 pages a day, complete your science studies in 24 days!]

Complete everything from concepts to problems in one day with a 6-page daily schedule.

[Comprised of progress books and practical books!]

Learn concepts with the progress book and prepare for school exams with the practice book.
Progress book: Step-by-step learning (start with inquiry, understand concepts, complete with problems, conclude the unit, organize ideas into a network, and evaluate the unit)
_Practice Book: Unit Assessment Preparation (Unit Summary, Note Test, Unit Assessment, Descriptive Assessment, Performance Assessment)

『O2』 is a science textbook that provides vivid examples of actual experiments and observations.
『O2』 Elementary Science contains all the important content from the new 2022 revised curriculum 7 science textbooks, and provides friendly explanations so that even students can understand the content on their own.
The book is structured in stages so that you can study concepts and problems step by step, and with the practical book, you can perfectly prepare for school exams and build confidence in science.