Sources and production policy

This Grade 3 Science Quiz is independently created by this website. It is not affiliated with any textbook, workbook, test publisher, school material company, or specific textbook series.

Course names may use general learning topic names, but the quiz questions, answer choices, hints, diagrams, explanations, and course order are original.

Reference materials used only for topic confirmation

• Ministry of Education, Culture, Sports, Science and Technology: Elementary School Science Curriculum Guidelines
• MEXT: Elementary School Curriculum Guidelines Commentary, Science
• Japan Association of School Educational Materials: School materials and copyright
• Copyright Research and Information Center: Copyright limitations
• SARTRAS: Compensation system for public transmission for school lessons

Internal production rules

• Do not write questions while looking at textbooks, workbooks, drills, tests, or school materials.
• Do not copy or lightly rewrite existing questions, diagrams, answer choices, or explanation flow.
• Use curriculum guidelines and general science knowledge only to confirm broad learning topics.
• Create all question text, answer choices, hints, and SVG diagrams from scratch.
• Do not use publisher names, textbook names, or claims such as “textbook-aligned”.
• Review each question for originality and remove or rewrite anything that seems too similar to existing materials.

Response flow if a rights concern is received

If a publisher, author, or rights holder contacts us about a specific question or image, the target content should be unpublished promptly, reviewed, and revised or deleted as needed. For commercial publication, consultation with a legal professional is recommended.

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