Grade 9
Science
Quiz

What is the free Grade 9 Science Quiz?

The Grade 9 Science Quiz is a free 4-choice web app for practicing junior high school science with short original questions. It is useful for regular test review, high school entrance exam preparation, and quick study at home or in class.

It covers motion and force, work and energy, chemical changes and ions, acids, alkalis and neutralization, continuity of life, heredity and diversity, Earth and space, ecosystems, environment, and scientific investigation.

What makes this quiz site useful?

• Choose a short course by unit, or use a larger mixed course for broad review.
• Practice in a time-attack style that makes repeated review feel like a small challenge.
• Use ranking, My Page history, and often-missed question records to notice weak areas.
• Check hints and simple self-made diagrams when a question needs visual support.

Topic courses for Grade 9 science

• 10-question Grade 9 Science Basics Mix
• 20-question Motion and Force
• 20-question Work and Energy
• 20-question Chemical Changes and Ions
• 20-question Acids, Alkalis, and Neutralization
• 20-question Continuity of Life
• 20-question Heredity and Diversity
• 30-question Earth and Space
• 50-question Science, Environment, and Investigation
• 100-question High School Entrance Exam Mix

Review key units for tests and entrance exams

Students can practice motion and energy, work and power, ions, neutralization, genetics, cell division, celestial bodies, moon phases, ecosystems, food webs, and experimental variables. Unit courses are useful for focused review, and the 50- or 100-question courses are useful for broad exam-style review.

Each question is short, but the hints help learners confirm the reasoning step by step. The quiz supports vocabulary checks, calculation practice, graph interpretation, and science investigation review.

Useful for Grade 9 science review and entrance-exam preparation

Teachers can also use the topic courses for quick review after a unit or as a simple way to check basic understanding before a test.

Students who want extra practice can focus on chemical changes and ions, motion and energy calculations, heredity, Earth and space, ecosystems, and investigation skills before moving to broader entrance-exam review.

Hints and self-made diagrams for each question

Hints change according to the current question. They may show self-made SVG diagrams for force, work, ions, neutralization, genetics, moon phases, food webs, ecosystems, and experimental variables.

Sources and production policy

This quiz is independently created by this site with reference to public curriculum-level science topics, basic scientific knowledge, and common observation and experiment ideas. It is not affiliated with any textbook, workbook, drill, worksheet, test, educational-material publisher, or textbook series.

• Question text, answer choices, hints, explanations, diagrams, images, and course order are designed for this app.
• We do not copy textbook or workbook questions, and we do not create near-copy questions by only changing numbers, endings, choices, or diagrams.
• We do not use publisher names, textbook titles, textbook chapter-order claims, or textbook-aligned claims.
• Images and diagrams are created by this site or use materials whose usage conditions have been checked.
• If a rights or accuracy concern is reported, we review the content and revise or remove it when necessary.

Reference information checked for production includes these public resources.

• MEXT: Junior high school course of study commentary
• Japan Association of Educational Materials Publishers: school materials and copyright
• Copyright Research and Information Center: copyright limitations and quotation
• SARTRAS: public transmission compensation system for school lessons

Quiz questions and explanations are not reproduced from those sources; they are written as original content for this app.

If you notice an error, have a rights-related concern, or need to contact us, please use the contact form. We will review the report and revise or remove content when necessary.