Free Science Practice, Grades 3–12
Pick a grade or course to practice science — life, physical, and earth & space science, plus high school Biology and Physics — with a voice tutor and a smart board that shows the models. It's free forever for K-12 students.
Grades & courses
- 3rd Grade Science — Life cycles, traits, forces, and weather.
- 4th Grade Science — Energy, waves, and Earth's features.
- 5th Grade Science — Matter, ecosystems, Earth's systems, and space.
- 6th Grade Science — Weather & climate, cells, energy, and engineering.
- 7th Grade Science — Matter & energy, ecosystems, and forces.
- 8th Grade Science — Waves, heredity, Earth's history, and space.
- Biology — Molecules to organisms, heredity, evolution, ecology.
- Physics — Motion & forces, energy, and waves.
Frequently asked
Which grades and courses are covered?
Grades 3 through 8 science, plus high school Biology and Physics. These pages follow next-generation science standards.
Is science practice on COSMIQ free?
Yes — completely. It's free forever for K-12 students: voice tutoring, a smart board, and step-by-step help, with no card and no upgrade prompt.