TN 3rd Grade Science Curriculum
Help your child keep up with Tennessee's 3rd grade science class. Lessons and practice problems cover every strand, from ecosystems and food chains to forces, simple machines, and Earth materials.
About 3rd Grade Tennessee science
Tennessee follows the Tennessee Academic Standards for Science, organized around life science, physical science, and Earth and space science strands. In 3rd grade, students explore ecosystems, adaptations, food chains, and energy pyramids; investigate forces, simple machines, and thermal energy; and study landforms, Earth materials, the solar system, climate, and human impact. StudyPug provides video lessons, practice problems, and step-by-step explanations aligned to every one of these strands.
- Strands covered: ecosystems, adaptations, food chains, energy pyramids, forces, simple machines, thermal energy, landforms, Earth materials, solar system, climate, and human impact
- Video lessons taught by certified teachers for every topic
- Practice problems and step-by-step explanations after each lesson
- Content aligned to Tennessee Academic Standards for 3rd grade science
Curriculum topics by strand
Browse lessons and practice problems organized by strand and aligned to the Tennessee Academic Standards for Science.
TN 3rd Grade Science Topics
- Ecosystems and Adaptations: Students learn how living things interact within ecosystems, how species adapt to their environments, and how those adaptations affect survival.
- Food Chains and Energy Pyramids: Lessons cover how energy moves through a food chain and how energy pyramids represent the flow from producers to consumers.
- Forces and Simple Machines: Students investigate pushes, pulls, and the six types of simple machines, exploring how each one changes the way work is done.
- Thermal Energy: This strand covers how heat is transferred and how thermal energy affects matter in everyday situations.
- Landforms and Earth Materials: Students examine the major landforms found on Earth's surface and the rocks, soils, and minerals that make up Earth materials.
- Solar System and Climate: Lessons introduce the planets, the sun, and how Earth's position affects seasons and climate patterns.
- Human Impact and Engineering Process: Students explore how human activity affects the environment and how the engineering design process is used to solve real-world problems.
How StudyPug Helps Tennessee 3rd Grade Science Students
When a student gets stuck on a concept like energy pyramids or simple machines, StudyPug lets them go back to a short video lesson, pause, rewatch, and then try practice problems at their own pace. For grade 3 science help that follows along with what Tennessee classrooms teach, every lesson is mapped to the Tennessee Academic Standards for Science so nothing feels out of place.
Families can also look ahead or review earlier material. The tn grade 2 science curriculum is available for students who need to revisit foundational ideas, and the tn grade 4 science curriculum gives a preview of what comes next.
Aligned to Tennessee 3rd Grade Science Curriculum
Every lesson and practice problem on StudyPug for 3rd grade science is organized to match the Tennessee Academic Standards for Science, covering the life science, physical science, and Earth and space science strands that Tennessee schools teach at this grade level. That alignment means students are always practicing content their teacher will actually assess.
Written by the StudyPug Science Team
Last updated June 5, 2026
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