Unlock a Free, Fun & Engaging Science Curriculum for Homeschoolers
Homeschool Science & Nature Study for Every Grade
This page features a variety of free science and nature study curriculum resources for all grade levels, organized alphabetically with suggested grade ranges listed next to each title. These grade recommendations are approximate, so you may find it helpful to explore options one level above or below your child’s current grade level for a more tailored fit. To access each resource, click on its title, which will take you to the provider’s website for further instructions on usage.
For additional subjects, you can return to our homepage and select from the free curriculum menu, which covers a broad range of standard subjects and electives.
Finding a free homeschool science curriculum that covers all grades and topics doesn’t have to be a daunting task. Here’s a carefully curated list of reliable, free resources that you can start using right away.
ACS Middle School Chemistry (6th – 8th)
Jump into the world of chemistry with this free homeschool science curriculum that comes with a downloadable textbook. It’s a great starting point for middle schoolers eager to learn about atoms, molecules, and chemical reactions.
ACS Middle School Chemistry
At Home Middle School (6th – 8th)
This platform offers lessons in life, earth, and physical sciences using CK-12’s free online textbooks. The curriculum is divided into 180 straightforward daily assignments, making it perfect for steady learning.
At Home Middle School
CK-12 (K – 12th)
CK-12 provides free Flexbook textbooks suitable for all ages—from kindergarten science to high school subjects like Earth Science, Biology, Chemistry, and Astronomy. You’ll discover interactive content tailored for every level.
CK-12
Easy Peasy All-in-One Homeschool (1st – 8th)
This free homeschool science curriculum incorporates a variety of online resources. Courses cover Zoology, Biology, Earth Science, and Chemistry/Physics, each offered at two levels to suit your child’s learning pace.
Easy Peasy All-in-One Homeschool
Easy Peasy All-in-One High School (9th – 12th)
For older students, Easy Peasy provides high school science courses such as Oceanography, Biology, Chemistry, Physics, and Forensics. Each course combines online resources with printable worksheets for a comprehensive learning experience.
Easy Peasy All-in-One High School
edX (10th – college)
Developed by Harvard and MIT, edX offers free science courses covering topics like anatomy, biology, chemistry, and earth science. You can audit these courses for free or opt to earn certificates for a fee.
edX
Forensics Illustrated (9th – 12th)
This intriguing forensic science course features an online textbook, PowerPoint presentations, worksheets, labs, projects, and answer keys. It’s perfect for students fascinated by crime scene investigation.
Forensics Illustrated
Georgia Virtual Learning (6th – 12th)
These free courses dive into middle and high school science topics like Astronomy, Biology, Environmental Science, and Forensics. You’ll find online textbooks and interactive activities that make learning engaging and fun!
Georgia Virtual Learning
Guest Hollow’s Biology (9th – 12th)
Guest Hollow offers a free biology curriculum that’s packed with a textbook, workbook, answer key, Bible-based study materials, labs, and video links. It’s a comprehensive package that ensures a well-rounded educational experience.
Guest Hollow’s Biology
Khan Academy (6th – college)
Khan Academy provides a free homeschool science curriculum featuring video lessons on earth & space science, physics, and biology tailored for middle schoolers. For high schoolers, there are courses in biology, chemistry, physics, and astronomy, along with AP and college-level options.
Khan Academy
Marvelous Explorations Through Science and Stories (MESS) (Pre-K & K)
The MESS free homeschool science curriculum offers 10 month-long downloadable science units. Each unit is packed with hands-on science experiences, cross-curricular activities, and a curated book list. If your library doesn’t carry the suggested titles, feel free to substitute similar books.
MESS Science Curriculum
Modern States (10th – college)
Modern States provides free online science courses that help students prepare for College Level Examination Program (CLEP) exams. Subjects include natural science, biology, and chemistry. Students can even earn college credit while still in high school, making college more affordable and accessible.
Modern States
Mr. Q’s Classic Science (1st – 6th)
Mr. Q’s Classic Science includes a free life science textbook and parent’s guide, perfect for early learners. While other science courses are available for purchase, the free resources are a solid start to exploring middle school science topics.
Mr. Q’s Classic Science
Mystery Science (K – 5th)
Although Mystery Science is a paid membership site, they usually offer one year free for first-time users. It includes video lessons, printable handouts, lesson plans, and activity guides designed for young learners exploring elementary science topics.
Mystery Science
NGS Magnified (6th – 8th)
NGS Magnified offers free online textbooks for middle school science—covering life science, earth science, and physical science. Each chapter wraps up with review questions to reinforce learning.
NGS Magnified
Old Earth Ministries (6th – 12th)
Explore high school science with courses like Geology, Earth History, and Dinosaurs — all from an Old Earth Creationism perspective. Materials include online text, quizzes, and research assignments. Advanced middle school students can also use these one-semester courses.
Old Earth Ministries
OpenLearn (10th – 12th)
OpenLearn provides a variety of free science courses on topics like biology, physics, and environmental science. Course formats and lengths vary, making it flexible for motivated learners.
OpenLearn
OpenStax (10th – college)
OpenStax offers downloadable textbooks and instructor resources in subjects such as Anatomy & Physiology, Biology, Chemistry, and Physics. Though designed for college, many high school science students can tackle these rigorous materials.
OpenStax
Parallel Alternative Strategies for Students (9th – 12th)
This free homeschool science curriculum caters to students with special needs. Courses include Biology, Physical Science, and Earth/Space Science. Each comes with a student workbook and teacher’s guide to ensure success.
Parallel Alternative Strategies
Physics in Motion (8th – 12th)
This engaging high school physics course from Georgia Public Broadcasting features video lessons, printable worksheets, note-taking guides, and labs—perfect for both middle school and high school science learners.
Physics in Motion
Saylor Academy (10th – college)
Saylor Academy’s free science courses cover chemistry and physics. These college-level online courses are accessible to ambitious high school students as well.
Saylor Academy
Science Matters (4th – 6th)
Science Matters provides inquiry-based science units covering life science, physical science, and earth science. Each unit is downloadable, making it easy to integrate into your homeschool science curriculum.
Science Matters
Siyavula Science Textbooks (4th – 12th)
These free downloadable textbooks align with the South African curriculum but can easily supplement homeschool science elsewhere. Topics include natural science, physical science, and life science. Teacher guides are also available.
Siyavula Science Textbooks
Toward a Sustainable Agriculture (9th – 12th)
This online textbook, created by the University of Wisconsin, covers sustainable farming, horticulture, livestock, and organic agriculture—ideal for students interested in agricultural science.
Toward a Sustainable Agriculture
Under the Home (1st – 5th)
Under the Home’s nature-based science courses are inspired by classic public domain books. Each course includes printable workbooks or field books, perfect for younger learners exploring nature.
Under the Home
Utah Education Network (K – 12th)
UEN offers downloadable science textbooks from kindergarten through high school science (Earth Science, Biology, Chemistry, Physics). You’ll also find interactive online activities for each course.
Utah Education Network
YAPA Kids (1st – 8th)
YAPA Kids provides free online science courses taught by live instructors. Course availability changes often and some have a waitlist, so be sure to check back frequently.
YAPA Kids
Additional Free Science Resources for Homeschoolers
If you’re building a free homeschool science curriculum, these extra resources will help make science exciting, interactive, and easy to explore from home.
Science Unit Studies, Lesson Plans, and Experiments
Get ready to dive into hands-on science with your homeschool! This collection of unit studies, ready-to-go lesson plans, and easy experiment guides is just what you need to complement any science curriculum. Whether you’re exploring biology, chemistry, or earth science, these resources encourage your student to explore through inquiry-based learning and engaging activities.
Best Science Websites for Homeschoolers
Bring the wonders of science right into your home with these fantastic websites tailored for homeschoolers. You’ll discover interactive lessons, videos, simulations, and quizzes that cover everything from the stars above to the creatures below. These sites are a perfect addition to your free homeschool science curriculum, whether you need full courses or just fun supplemental activities.
Homeschool Science with YouTube
YouTube is more than just a place for entertainment—it’s a treasure trove for homeschool science! This carefully curated list of YouTube channels covers everything from physics to biology. With exciting experiments, clear explanations, and visual demonstrations, these channels make complex science topics easy to understand. They’re especially great for visual learners and a wonderful way to mix things up in your homeschool routine.
Virtual Science Labs and Dissections
No physical lab? No problem! These resources provide virtual science labs, dissections, and simulations that bring the lab experience right to your screen. You can explore cell structures, chemical reactions, and even conduct virtual frog dissections—all from the comfort of your home. These tools fit perfectly with any free homeschool science curriculum, giving students hands-on experiences without the cleanup.
Virtual Field Trips for Science
Experience the world from your living room! These virtual field trips allow you to explore fascinating science locations and concepts without ever stepping outside. Take a virtual tour of science museums, visit national parks, or explore research facilities—all designed to spark curiosity and bring science to life for your homeschooler.
Discover a Free Nature Study Curriculum for Homeschoolers
Explore the wonders of nature with these free, downloadable resources that will take your homeschooling to the next level! Perfect for homeschooling families, these nature study curriculums are designed to bring the outdoors into your child’s learning journey, helping them discover and appreciate the beauty of the natural world.
Christian Liberty Nature Readers (K – 6th)
Based on public domain books, this charming series introduces kids to the wonders of nature through captivating stories and lessons. From plants to animals and beyond, it’s a perfect way to spark curiosity about the world around them.
Every Child Should Know (K – 8th)
This series, made up of public domain books from the early 1900s, is a true gem! It covers a wide variety of nature topics such as birds, wild animals, trees, plants, and wildflowers—all designed to foster a deep love for nature in young learners.
Exploring Nature With Your Child (Pre-K – 8th)
Packed with practical tips, this book helps parents guide their children through the wonders of nature. From plants and animals to weather and stars, this guide is a fantastic resource for families looking to explore the outdoors together.
Handbook of Nature Study (K – 12th)
A great resource for all ages, the Handbook of Nature Study offers valuable information and activities that encourage outdoor exploration. It’s perfect for sparking curiosity and wonder about the natural world in children, no matter their age.
Nature Study: A Pupil’s Text-book (2nd – 6th)
This book provides a full year’s worth of nature study material, featuring detailed information, observation prompts, sketching activities, and writing exercises. It’s designed to help kids form meaningful connections with nature and deepen their learning experience.
Nature Study Made Easy (K – 5th)
This resource takes a fun, story-based approach to nature study, focusing on plants and trees. Each lesson includes application questions, simple activities, and even poetry, making it a great fit for younger children.
One Hundred Lessons in Nature Study (K – 5th)
This collection includes 100 lessons on nature that can be used in any order, offering a flexible approach to teaching about plants, animals, and weather. It’s a perfect resource to spark your child’s interest in the natural world.
Nature Study by Grades (1st – 5th)
Nature Study by Grades is split into two volumes: Volume 1 for 1st through 3rd grades, and Volume 2 for 4th and 5th grades. These downloadable books offer insightful suggestions for activities and discussion prompts, making it easy to build a strong foundation in natural science as your child explores a variety of nature topics.
Our Wonderful World (K – 6th)
Created by DIY Homeschool, this collection of engaging units goes hand-in-hand with the free nature study eBook, Our Wonderful World. Each unit is filled with fun activities and additional readings to help kids dive deep into the wonders of nature, making learning both enjoyable and educational.
Young Folks’ Pictures and Stories of Animals (K – 5th)
This six-volume set, written by Sanborn Tenny, is now available for free download, as it’s in the public domain. The collection features beautiful illustrations and captivating stories about animals—perfect for inspiring young learners and sparking their curiosity about the animal kingdom.