Will this help with my child's 3rd grade science homework?

Yes. StudyPug covers the same topics Oregon 3rd graders work on in school. Your child can watch a short video lesson and try practice problems to get unstuck on any assignment.

How long are the video lessons for 3rd grade science?

Most video lessons run between a few minutes and about ten minutes, so they are easy to fit in after school. Each lesson focuses on one concept to keep things clear and manageable for young learners.

Is there a state science test for 3rd grade in Oregon?

Oregon assesses science in grades 5 and 8, and once in high school. Third grade is not a state science assessment year, so no statewide science test is scheduled for this grade level.

Can my child use StudyPug on a tablet or phone?

Yes. StudyPug works on tablets, phones, and computers, so your child can study at home or on the go. No app download is required - just open a browser and get started.

Can I try StudyPug before paying?

Yes. StudyPug offers free sample lessons so you can see how it works before subscribing. There is also a 30-day money-back guarantee, so you can sign up with confidence.

OR 3rd Grade Science Curriculum

Give your child the science support they need this year. StudyPug covers every 3rd grade science topic taught in Oregon classrooms, with clear video lessons and practice problems.

OR 3rd Grade Science Curriculum

IDStandardStudyPug Topic

1.1Advanced Investigation
- Investigation Design, Controlled experiments
- Variable Control, Independent and dependent variables
- Measurement, Standard units and precision
- Data Analysis, Patterns and relationships
2.1Ecosystems
- Ecosystem Components, Living and non-living elements
- Population Dynamics, Groups of organisms in area
- Communities, Interaction between populations
2.2Adaptations
- Structural Adaptations, Physical features for survival
- Behavioral Adaptations, Actions that aid survival
3.1Food Chains
- Energy Transfer, Producer to consumer flow
- Food Webs, Interconnected food chains
3.2Energy Pyramids
- Trophic Levels, Producers, consumers, decomposers
- Energy Loss, Energy transfer efficiency
4.1Forces
- Balanced Forces, Equal opposing forces
- Unbalanced Forces, Net force and motion
- Magnetic Forces, Fields and interaction
4.2Simple Machines
- Machine Types, Levers, pulleys, inclined planes
- Work and Force, Mechanical advantage
5.1Thermal Energy
- Heat Sources, Natural and artificial sources
- Heat Transfer, Conduction, convection, radiation
- Insulation, Materials and heat retention
6.1Landforms
- Formation Processes, Erosion, deposition, weathering
- Types of Landforms, Mountains, valleys, plains
- Changes Over Time, Rapid and slow changes
6.2Earth Materials
- Rocks and Minerals, Properties and classification
- Soil Composition, Components and properties
7.1Solar System
- Earth's Movement, Rotation and revolution
- Day and Night, Earth's rotation effects
- Seasonal Changes, Earth's tilt and orbit
8.1Human Impact
- Resource Use, Effects on environment
- Conservation, Protection strategies
8.2Climate
- Weather Patterns, Long-term weather trends
- Climate Zones, Regional variations
9.1Engineering Process
- Problem Definition, Identifying design challenges
- Solution Design, Creating and testing solutions
- Optimization, Improving designs
10.1Traditional Practices
- Traditional Practices, Resource Management, Sustainable practices
- Environmental Knowledge, Local ecosystem understanding

3rd Grade Science

About 3rd Grade Oregon science

Oregon follows the Oregon Science Standards, which are aligned to the Next Generation Science Standards (NGSS) and organized around three dimensions: Disciplinary Core Ideas, Science and Engineering Practices, and Crosscutting Concepts. In 3rd grade, students explore life science, physical science, and Earth and space science through hands-on investigation and reasoning. StudyPug provides video lessons and practice problems that match what Oregon students work on in class all year.

Core strands: Life Science, Physical Science, and Earth and Space Science
Video lessons covering every 3rd grade Oregon science topic
Practice problems and step-by-step explanations for each concept
Content aligned to Oregon Science Standards (NGSS-aligned)

Curriculum topics by strand

Find lessons and practice for every topic, aligned to Oregon Science Standards (NGSS-aligned).

Topic includes:

Practice

Video

Quiz

Standard

StudyPug Topic

Oregon 3rd Grade Science Topics

Life Science - Students learn about traits, life cycles, and how living things depend on their environment and on each other.
Physical Science - Students investigate forces, motion, and how objects interact, building foundational physics concepts.
Earth and Space Science - Students explore weather and climate patterns, Earth's resources, and how people can protect the environment.

How StudyPug Helps Oregon 3rd Grade Science Students

When a concept from class is confusing, StudyPug lets your child rewatch a focused video lesson as many times as needed and then try practice problems with step-by-step explanations. You can find grade 3 science help organized by topic so your child goes straight to what they need.

Building on what came before matters in science. If your child needs a refresher on earlier material, the or grade 2 science curriculum page shows what was covered last year, and the or grade 4 science curriculum page shows what comes next.

Aligned to Oregon 3rd Grade Science Curriculum

All StudyPug content for this course is built to match the Oregon Science Standards, which are aligned to the Next Generation Science Standards. Every lesson targets the same Disciplinary Core Ideas, Science and Engineering Practices, and Crosscutting Concepts that Oregon 3rd graders are expected to develop, so your child is always studying the right material for their class.

Written by the StudyPug Science Team

Last updated June 5, 2026

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