MD Curriculum

MD 3rd Grade Science Curriculum

Give your child the support they need to keep up with Maryland's 3rd grade science class. Lessons and practice problems follow what local schools teach, covering ecosystems, forces, and earth materials.

3rd Grade Science

About 3rd Grade Maryland science

Maryland follows the Maryland College Career Ready Standards for science, organized around life science, physical science, and earth science concepts. In 3rd grade, students explore ecosystems, adaptations, food chains, energy pyramids, forces, simple machines, thermal energy, landforms, earth materials, and the solar system. StudyPug provides step-by-step lessons and practice problems that match exactly what students work on in class throughout the year.

  • Strands: ecosystems and adaptations, food chains and energy pyramids, forces and simple machines, thermal energy, landforms, earth materials, and the solar system
  • Step-by-step lessons and worked examples for every topic
  • Practice problems and guided practice aligned to Maryland College Career Ready Standards
  • Parent assignments and progress tracking to keep families informed

Curriculum topics by strand

Find lessons and practice problems for every strand, aligned to the Maryland College Career Ready Standards for 3rd grade science.

Topic includes:
Practice
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Quiz
ID
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StudyPug Topic

MD 3rd Grade Science Topics

  • Advanced Investigation and Foundation Review: Scientific inquiry skills, observation methods, and the engineering process that run through the full course.
  • Ecosystems and Adaptations: How living things interact with their environment and the physical traits and behaviors that help them survive.
  • Food Chains and Energy Pyramids: How energy moves from producers to consumers and the relationships between organisms in a food web.
  • Forces and Simple Machines: Pushes, pulls, and the six types of simple machines that make work easier in everyday life.
  • Thermal Energy: Heat transfer and how thermal energy affects matter and the objects around us.
  • Landforms and Earth Materials: Major surface features of Earth and the rocks, soil, and minerals that make them up.
  • Solar System: The sun, planets, and how Earth moves through space, including the patterns of day, night, and seasons.
  • Human Impact and Climate: How human activity affects the environment and the basics of weather patterns and climate.
  • Traditional Practices and Engineering Process: How scientific knowledge has been shaped across cultures and how students apply the engineering design process to solve problems.

How StudyPug Helps MD 3rd Grade Science Students

When a student gets stuck on ecosystems or cannot picture how a simple machine works, StudyPug provides short video lessons and worked examples they can return to as many times as they need. Our grade 3 science help walks through each concept at a pace that suits the individual student, not the whole class.

Parents can assign specific topics and track progress, so it is easy to target the exact strands giving your child trouble before a quiz or unit test. Students moving into the next year can also explore the md grade 4 science curriculum to get a head start.

Aligned to MD 3rd Grade Science Curriculum

Every lesson and practice problem on StudyPug is built to reflect the Maryland College Career Ready Standards for 3rd grade science. Whether the class is covering food chains, landforms, or the solar system, students will find content that matches what their teacher is covering, so studying at home reinforces exactly what is being taught in school.

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Written by the StudyPug Science Team

Last updated June 5, 2026

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