CMAS Science practice sets
This Colorado CMAS Science Practice Test page provides five short practice sets with 10 original multiple-choice questions each. The sets offer supplemental practice for Grades 5, 8, and 11 across life science, physical science, Earth and space science, environmental systems, and scientific investigation.
Science skills covered
- Living organisms, food and nutrients, roots, cells, populations, relationships, heredity, food chains, biodiversity, and reproduction
- States and properties of matter, friction, energy, conductors, thermal transfer, forces, chemical change, circuits, and light absorption
- Earth rotation, solar energy, runoff, erosion, shadows, the Moon, volcanoes, precipitation, fossils, and planetary orbits
- Clean water, waste reduction, fish populations, forests, renewable resources, invasive species, trees, electricity, sediment, and pollinators
- Investigation planning, tools, variables, observations, graphs, repeated measurements, models, reliability, and evidence-based explanations
How to use this page
Complete one 10-question set at a time. Identify the evidence, choose the best-supported answer, and review every explanation before moving to the next set.
This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current Colorado Department of Education guidance, official CMAS blueprints, accommodations, or testing policies.
For the Colorado assessment hub, visit Colorado State Assessments.
