Science Websites

Explore 34 curated science websites for homeschoolers and educators. Each resource has been reviewed for quality before being listed.

Science as a school subject covers the methods and big ideas of biology, chemistry, physics, earth and space science. Across K-12, it builds from observing the natural world in early elementary to formal lab work and quantitative reasoning in high school. The goal is both content knowledge and the habit of testing ideas against evidence.

ScienceFusion Homeschool Textbooks

ScienceFusion Homeschool science program offers robust lessons with extensive print and online content. Get your package at Houghton Mifflin Harcourt. More than a traditional science program and more than an online science textbook, ScienceFusion of...

CuriosityStream Science Documentaries

Stream hundreds of science documentaries covering physics, chemistry, biology, space, engineering, and earth sciences. Features original series and award-winning films from world-class filmmakers.

CuriosityStream Nature & Wildlife

Stunning nature and wildlife documentaries filmed in 4K. Explore ecosystems, animal behavior, conservation, and environmental science through world-class cinematography.

Epic! Learning Videos

Thousands of educational videos for kids covering science, math, DIY, cooking, social studies, and more. Curated for ages 12 and under with no ads and safe content.

Epic! for Educators

Free digital library for K-6 educators with 40,000+ books, audiobooks, learning videos, and quizzes. Includes classroom management tools, reading logs, and progress tracking for up to 36 students.

Pack Ciencias Interactivas: Fotosíntesis y Abejas

A Spanish-language interactive science bundle with two browser-based lessons—photosynthesis and bees/pollination—for K-5 learners, built for quick homeschool or classroom use with no app installs.

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CK-12 Earth Science FlexBook

Free, customizable middle and high school earth science textbook covering geology, meteorology, oceanography, and astronomy.

PBS LearningMedia Science Collection

Thousands of free, NGSS-aligned science videos, simulations, and lesson plans for K-12 from PBS, NOVA, NASA, and GBH.

CK-12 Biology FlexBook

Free, customizable high school biology textbook covering cells, genetics, evolution, ecology, and human biology with interactive quizzes.

CK-12 Chemistry FlexBook

Free, customizable high school chemistry textbook covering atomic structure, bonding, reactions, stoichiometry, and more.

CK-12 Physics FlexBook

Free, customizable high school physics textbook covering mechanics, waves, electricity, magnetism, and modern physics.

BrainPOP Space

Animated space and astronomy lessons covering the solar system, planets, stars, and space exploration.

BrainPOP Cellular Life & Genetics

Animated biology lessons covering cells, DNA, genetics, heredity, and the immune system.

BrainPOP Our Fragile Environment

Animated environmental science lessons covering pollution, climate change, conservation, and sustainability.

BrainPOP Earth System

Animated earth science lessons covering rocks, minerals, plate tectonics, earthquakes, volcanoes, and more.

BrainPOP Energy

Animated energy lessons covering forms of energy, electricity, magnetism, light, and sound.

BrainPOP Forces of Nature

Animated lessons on natural disasters and weather phenomena including hurricanes, tornadoes, and tsunamis.

BrainPOP Matter & Chemistry

Animated chemistry lessons covering states of matter, atoms, elements, compounds, and chemical reactions.

BrainPOP Motion, Forces & Time

Animated physics lessons covering gravity, motion, simple machines, and Newton's laws.

BrainPOP Ecology & Behavior

Animated ecology lessons covering ecosystems, food chains, animal behavior, and biodiversity.

BrainPOP Jr. Science

Animated science lessons for grades K-3 covering animals, plants, weather, the human body, and earth science.

BrainPOP Science

Animated science lessons for grades 3-8 covering earth systems, ecology, forces of nature, energy, space, and more.

Science Curriculum Grade 5

Science Building Blocks of the Universe Unit Preview, Atoms and Molecules, Elements and the Periodic Table, Metals and Salts, Summary Properties of Matter Unit Preview, Physical Changes, Chemical Changes, States of Matter, Summary The Body’s Tra...

Science Activity Objects

AC Science provides teachers and parents with an instructional solution that promotes science mastery through dynamic, interactive learning. Unlike other programs developed for print, AC Science was developed as a digital solution to take full advant...

Science

e-learning for kids is a nonprofit foundation dedicated to fun and free learning on the internet for children ages 5 - 12. We offer free courseware science with video lessons....

Science Curriculum Grade 4

Science Welcome to Electricity Unit Preview, How Does Electricity Work?, Simple Circuits, Build Your Own Circuit, Summary The Power of Magnetism Unit Preview, How a Magnet Works, Magnets and Electricity, Experimenting with Magnets, Summary Energ...

Science Techbook

Science Techbook is a breakthrough K-12 digital science textbook that changes the way students and teachers experience real-world science phenomena, boosting achievement and igniting interest in the exploration of cross-cutting science concepts. Thi...

BrainPOP at Home

Ensure school readiness and transform your kids’ screen time with award-winning movies, educational games and quizzes made by educators.

Science Curriculum K-3

Science Matter Unit Preview, Physical Properties, Solids, Liquids, & Gases, Evaporation, Combining Substances, Atoms, Summary Simple Machines Unit Preview, Lever, Pulley, Inclined Plane, Wedge, Screw, Wheel & Axle, Summary Magnets Unit...

Science

Mapped to Next Generation Science Standards, EducationCity’s science content is sure to engage your pre-K through 6th grade students’ natural curiosity and fascination about the world around them. Follow budding scientist, Manu, as he leads the Educa...

Science4Us

Key Benefits K-2nd Grade Science Over 350 Online Lessons and Worksheets. Over 500 Hands-On Science Activities. Web and iPad App-Based. Correlates to State Standards. Builds Math & Language Arts Skills. Automated Reporting for Homeschool...

BrainPOP Jr. Homeschool

Create homeschool memories your kids will never forget

BrainPOP Homeschool

Inspire learning moments that stick, filled with creativity and fun. Discover your all-in-one supplemental solution for homeschool curriculum

BrainPOP Jr. at Home

Kick-start your kids’ classroom confidence from home