Free Science Quizzes by Grade
All existing K–12 science quizzes are free to play without signing up, from first-grade life cycles to twelfth-grade genetics. Sign in to save progress.
Science makes the most sense when curiosity meets steady practice, so a student sees the same big ideas from many angles. Triviolt turns each science topic into a short quiz you can play in a few minutes, with questions matched to the grade you choose.
The coverage runs from grade 1 (life cycles, habitats, and weather) through grade 12 (genetics, evolution, chemical reactions, and atomic structure), with ecosystems, cells, forces and motion, energy, waves, matter, plate tectonics, astronomy, the human body systems, and environmental science along the way.
Classic mode keeps a timer for quick review, survival mode rewards long correct streaks, and learn mode removes the clock and the score so a student can explore a new topic without pressure.
What the quizzes cover
Science practice on Triviolt follows the K-12 sequence across life, physical, and earth and space science, grouped by grade band so every student lands on the right level.
- Grades 1-2: life cycles, habitats, weather, and the five senses
- Grades 3-5: ecosystems, states of matter, forces and motion, and the water cycle
- Grades 6-8: cells, energy, waves, plate tectonics, astronomy, and human body systems
- Grades 9-12: genetics, evolution, chemical reactions, atomic structure, and environmental science
Practice that sticks
Science ideas stick when a student revisits them often and connects new facts to what they already know. Triviolt tracks accuracy by topic, adapts difficulty as a student improves, and keeps score with volts so practice stays motivating.
A signed-in account saves scores on the topics you play, and anyone can challenge a friend with a share link to compare scores. Detailed parent reports for kid profiles need a paid plan. It works in any browser on a phone, tablet, or computer with no download required.
Frequently asked questions
Are the science quizzes free?
Yes. All existing K–12 science quizzes are free to play without signing up. This page opens Quizzes so you can browse; it does not start an unrelated quiz. Sign in to save scores on topics you play.
What grades do the science quizzes cover?
Grades 1 through 12. That ranges from early life cycles and weather up through cells, forces, genetics, evolution, and chemistry topics like chemical reactions and atomic structure.
Which branches of science are included?
Life science, physical science, and earth and space science. Topics include ecosystems, the human body, energy and motion, matter, plate tectonics, and astronomy.
Is there a mode without a timer?
Yes. Learn mode removes the timer and the score so a student can explore a new science topic at their own pace before switching to timed classic mode.
Can parents track science progress?
A signed-in account saves scores on the topics you play. Detailed parent reports for kid profiles need a paid plan.
Keep exploring
- US grade science quizzes
Science practice organized by US grades 1–12.
- CBSE Class science quizzes
Science practice organized by CBSE Classes 1–12.
- Math quizzes
Full K-12 math practice by grade and topic.
- Geography quizzes
Continents, capitals, flags, and landmarks.
- Brain games
Memory, speed, logic, and language training.
- All quizzes
Browse every quiz category on Triviolt.
