Will this help with my child's 4th grade science homework?

Yes. StudyPug lessons follow the California CA NGSS for 4th grade, so your child can find the exact topic they are stuck on, watch a clear explanation, and work through practice problems at their own pace.

How long are the video lessons for 4th grade science?

Most video lessons run between 5 and 15 minutes, which is short enough to fit into a homework session. Your child can pause, rewind, and re-watch any lesson as many times as needed.

Is there a California state test for 4th grade science?

California administers the CAST (California Science Test) at select grade levels. Grade 4 is not a primary CAST testing year; the assessment is given in grades 5, 8, and once in high school. StudyPug still builds the CA NGSS foundations your child needs for later assessments.

Can my child use StudyPug on a tablet or phone?

Yes. StudyPug works on tablets, phones, and computers, so your child can access video lessons and practice problems at home, in the car, or anywhere they have an internet connection.

Can I try StudyPug before paying?

Yes. StudyPug offers free sample lessons so you can see the content before subscribing. Every paid plan also comes with a 30-day money-back guarantee, so there is no risk in getting started.

CA 4th Grade Science Curriculum

Give your child the support they need to keep up with California's 4th grade science curriculum. Our lessons and practice problems follow what local schools teach, so your child always feels prepared.

CA 4th Grade Science Curriculum

IDStandardStudyPug Topic

1.1Research Methods
- Experimental Design, Multiple variables and controls
- Data Collection, Quantitative and qualitative data
- Analysis Methods, Patterns, trends, and relationships
- Scientific Models, Creating and using models
2.1Human Senses
- Sensory Systems, Five senses structure and function
- Brain Processing, Neural signals and responses
2.2Animal Senses
- Specialized Senses, Echolocation, UV sensing, magnetoreception
2.3Plant Responses
- Environmental Response, Reactions to light, touch, gravity
3.1Biomes
- Climate Regions, Temperature and precipitation patterns
- Terrestrial Biomes, Land-based ecosystem types
- Aquatic Biomes, Water-based ecosystem types
3.2Interactions
- Energy Flow, Food webs and energy transfer
- Matter Cycles, Water, carbon, nitrogen cycles
4.1States of Matter
- Particle Theory, Arrangement and movement of particles
- Phase Changes, Temperature effects on state
4.2Properties
- Physical Properties, Mass, volume, density
- Chemical Properties, Reactivity, pH, combustibility
5.1Forms of Energy
- Energy Types, Potential and kinetic energy
- Energy Conversion, Transformations between forms
5.2Light
- Light Properties, Reflection, refraction, color
5.3Sound
- Sound Properties, Pitch, volume, wave properties
6.1Earth's Structure
- Internal Structure, Layers of the Earth
- Surface Features, Mountains, valleys, oceans
6.2Earth's Movement
- Rotation Effects, Day/night cycle
- Revolution Effects, Seasonal changes
7.1Solar System
- Celestial Bodies, Planets, moons, asteroids
- Orbital Patterns, Planet and moon movements
- Space Technology, Exploration and observation tools
8.1Human Impact
- Resource Use, Renewable and non-renewable resources
- Environmental Science, Human effects on ecosystems
8.2Conservation
- Sustainable Practices, Resource management strategies
- Habitat Protection, Conservation methods
9.1Technology Process
- Design Cycle, Problem-solving methodology
- Materials Science, Properties and applications
- Systems Thinking, Interconnected components
10.1Traditional Knowledge
- Indigenous Science, Traditional ecological knowledge
- Cultural Practices, Sustainable resource management

4th Grade Science

About 4th Grade California science

California follows the California Next Generation Science Standards (CA NGSS), organized around disciplinary core ideas, science and engineering practices, and crosscutting concepts. In 4th grade, students explore topics including Earth's surface processes, energy and waves, and the structures of living organisms. StudyPug provides video lessons, step-by-step explanations, and practice problems that match what California 4th graders study in class.

Core strands: Earth's surface, energy and waves, and structures of living organisms
Video lessons taught by certified teachers for every 4th grade science topic
Practice problems and worked examples with step-by-step explanations
Content aligned to California's CA NGSS standards for 4th grade

Curriculum topics by strand

Browse lessons and practice problems organized by strand and aligned to the California CA NGSS for 4th grade science.

Topic includes:

Practice

Video

Quiz

Standard

StudyPug Topic

California 4th Grade Science Topics

Earth's surface processes: Students investigate how water, wind, and other forces shape the land over time, including the effects of weathering and erosion.
Energy and waves: Students explore how energy moves through different materials, including light, sound, and the transfer of energy between objects.
Structures of living organisms: Students examine how the internal and external structures of plants and animals support survival, growth, and reproduction.
Engineering and science practices: Students apply science and engineering practices to design solutions to problems related to the core ideas above, following the CA NGSS crosscutting concepts framework.

How StudyPug Helps California 4th Grade Science Students

When a 4th grader gets stuck on a concept like how waves carry energy or why plants have roots, they can find the right lesson on StudyPug, watch a certified-teacher video explanation, and then work through practice problems with step-by-step guidance. Our grade 4 science help is organized so students can jump straight to the topic they need without sitting through material they already know.

Parents looking at the bigger picture can also explore how 4th grade science connects to other subjects. For example, the quantitative reasoning skills in california 4th grade math standards support measurement and data work that students do in science class as well.

Aligned to California 4th Grade Science Curriculum

Every lesson on StudyPug for this course is built around the California CA NGSS, so the topics, vocabulary, and problem types your child encounters here match what their teacher is covering in class. Students who completed ca grade 3 science curriculum topics will find 4th grade content builds directly on those foundations, keeping learning continuous and connected.

Written by the StudyPug Science Team

Last updated June 5, 2026

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