Colorado Science Curriculum
Aligned to Colorado's Academic Standards (CAS) and built for CMAS testing.
Browse by school level
Elementary School Science
Life, earth, and physical science concepts, Kindergarten through 5th grade.
Kindergarten Science
Earth, life, and physical science foundations for kindergartners.
1st Grade Science
Life cycles, properties of matter, and light and sound for 1st grade science.
2nd Grade Science
Animal diversity, states of matter, and weather for 2nd grade science.
3rd Grade Science
Ecosystems, forces, and landforms in Grade 3 science.
4th Grade Science
Animal senses, states of matter, and Earth's structure for 4th grade science.
5th Grade Science
Human body systems, ecosystems, and simple machines for 5th grade science.
Middle School Science
Matter, energy, ecosystems, and Earth's systems in 6th through 8th grade.
High School Science
Integrated science in 9th and 10th grade, building on prior concepts.
Aligned with the Colorado Academic Standards: Science
Lessons follow the Colorado Academic Standards sequence so a student finds the exact skill covered that day and works through it step by step.
- Mapped to Colorado Academic Standards: Science, grade by grade
- CMAS Science review built into every grade level
- Unlimited practice problems with step-by-step solutions
Science Curriculum by State
Select any state to explore its science courses across the United States.
State Standards
CURRICULUM GUIDE
About the Colorado Science Curriculum
How Colorado Academic Standards Works
Colorado sets its own science standards, structured around disciplinary core ideas, scientific practices, and crosscutting concepts at every grade.
How Colorado Differs
Colorado updated its science standards in 2020, requiring three-dimensional learning that connects practices to content across all grades.
How Colorado Science Progresses
From living things in Kindergarten to physical systems in middle school, science builds toward integrated 9th and 10th grade courses.
How Colorado Assesses Science
CMAS Science tests Colorado students in 5th and 8th grade, with 9th and 10th grade work supporting high school course completion.
Common Questions from Colorado Parents
We've got answers to some popular questions.
Which grades does StudyPug cover for Colorado science?
StudyPug covers Colorado science from Kindergarten through 10th grade, across elementary, middle, and high school courses.
How do I find the course that matches my child's class?
Browse by grade band and select the course name that matches your child's current class - each course follows the Colorado Academic Standards sequence.
Does StudyPug help with CMAS Science preparation?
Yes - practice is based on real CMAS Science exams, with questions covering the grades and topics tested in 5th and 8th grade.
Does StudyPug follow the same order as Colorado classrooms?
Lessons follow the Colorado Academic Standards sequence, so topics appear in the same order students encounter them in the classroom.
Can I use StudyPug for homeschooling?
Yes - lessons are organized by grade and standard and can be worked at the student's own pace, making them a reliable fit for homeschool programs.
Reviewed by the StudyPug Curriculum Team
Last updated June 5, 2026
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