Freedom Homeschooling
Welcome to our list of free homeschool science and nature study curriculum! Below, you’ll find free homeschool science and nature study curriculum for every grade.
How to Use the Free Science Curriculum List
The science and nature study curriculum on this page is listed in alphabetical order. There is a suggested grade range next to the title of each curriculum resource. These are only approximate, so you may want to also consider resources above or below your child’s actual grade.
All the Christian resources on this list are labeled with a “C.” Any resource not labeled as Christian is either secular or neutral and does not teach religious beliefs unless otherwise noted.
If you would like to use any of the resources listed below, click on the curriculum’s title to visit their website. Then, follow the instructions found there to begin using the resource.
For other subjects, visit our homepage and choose a subject from the free curriculum menu found there. There are options for all the standard subjects and many electives.
Free Science Curriculum
ACS Middle School Chemistry (6th – 8th)
This course is taught using a downloadable textbook.
At Home Middle School (6th – 8th)
This website teaches life, earth, and physical sciences using CK-12’s free online textbooks. They divide the textbook into 180 daily assignments.
CK-12 (K – 12th)
Flexbook textbooks are available for kindergarten through 5th grade science. Middle school and high school Flexbooks offered are Earth Science, Life Science, Physical Science, Biology, Chemistry, Physics, and Astronomy.
Easy Peasy All-in-One Homeschool (1st – 8th) C
Courses are taught using a variety of online sources. Courses offered are Zoology, Biology, Earth Science, and Chemistry/Physics. Each course is available at two levels.
Easy Peasy All-in-One High School (9th – 12th) C
Courses are taught using a variety of online sources and printable worksheets. Courses offered are Oceanography, Biology, Earth Science, Chemistry, Physics, and Forensics.
edX (10th – college)
EdX, a nonprofit created by Harvard and MIT, offers a wide variety of science courses, including anatomy, chemistry, biology, medicine, earth science, and more. The length and format vary from course to course, and availability changes periodically. The courses are free to audit, or certificates of completion are also available for a fee.
Forensics Illustrated (9th – 12th)
This forensic science course includes an online textbook, PowerPoint presentations, practice worksheets, projects, tests, labs, and answer keys.
Guest Hollow’s Biology (9th – 12th) C
Guest Hollow’s Biology includes a free textbook (which can be accessed online or downloaded), a workbook, answer key, Bible/creation study, labs, and links to videos, among other resources.
Handsome Science Teacher (4th – 8th)
Each level of this science curriculum consists of 16 units, each taking about two weeks to complete. The units include instructional videos, labs, and worksheets. You may download the units individually or the entire textbook for each grade level.
Khan Academy (6th – college)
Khan’s lessons are taught using videos. Some courses also include online practice questions and tests. Khan’s middle school science courses are earth & space science, physics, and biology. Their high school courses are biology, chemistry, physics, health, and astronomy. They also offer several AP and college level courses.
Marvelous Explorations Through Science and Stories (MESS) (Pre-K & K)
The MESS curriculum is made up of 10 month-long downloadable units. Each unit includes science experiences, suggestions for ways to integrate the topic across the curriculum, and a list of recommended books. If the suggested books aren’t available at your library, you may substitute other books on the topic.
Modern States (10th – college)
Modern States courses prepare students to take College Level Examination Program (CLEP) exams. Students can earn college credit through CLEP exams while still in high school, making college more accessible and affordable. Courses are available for natural science, biology, and chemistry.
Mr. Q’s Classic Science (1st – 6th)
Mr. Q’s Life Science student textbook and parent’s guide are both free to download. Other science courses are available for purchase.
Mystery Science (K – 5th)
This website requires a paid membership, but they usually offer one year free for first-time users. Video lessons, handouts, lesson plans, and activity instructions are included for each topic.
Old Earth Ministries (6th – 12th) C
This organization offers the following courses from an Old Earth Creationism perspective: Geology, Earth History, and Dinosaurs. Each course is one semester in length and is high school level but may be used for advanced middle school students. The material is taught through the use of online text, research questions, quizzes, and tests.
OpenLearn (10th – 12th)
OpenLearn offers courses on numerous science topics. The length and formats of the classes may vary.
OpenStax (10th – college)
OpenStax offers downloadable student textbooks, instructor guides, and other instructor resources for Anatomy & Physiology, Astronomy, Biology, Concepts of Biology, Microbiology, Chemistry, College Physics, and University Physics Volumes 1 to 3. While these courses are intended for college students, motivated high school students may be able to complete some of them.
Parallel Alternative Strategies for Students (9th – 12th)
These downloadable science courses are designed to help students with special needs succeed. Each course includes a student workbook and a teacher’s guide. Courses available are Biology, Physical Science, and Earth/Space Science.
Physics in Motion (8th – 12th)
This physics course from Georgia Public Broadcasting includes video lessons, printable worksheets, note-taking guides, and labs.
Saylor Academy (10th – college)
Saylor Academy is a nonprofit initiative offering courses at the college and professional levels. However, high school students may also take their classes. Saylor currently offers chemistry and physics courses.
Science Matters (4th – 6th)
Science Matters provides downloadable inquiry-based science units. The units cover life science, physical science, and earth science.
Siyavula Science Textbooks (4th – 12th)
These downloadable textbooks follow the South African school syllabus but can likely be used by residents of other countries as well. Textbooks are available for natural science, technology science, physical science, and life science. There is also a teacher’s guide for each course.
Toward a Sustainable Agriculture (9th – 12th)
This online textbook, which was developed by the University of Wisconsin Center for Integrated Agricultural Systems, covers sustainable agriculture, field crops, livestock, horticulture, and organic agriculture.
Under the Home (1st – 5th)
Under the Home’s science courses focus on nature study and are based on classic books available in the public domain. Each course includes a printable workbook or field book.
Utah Education Network (K – 12th)
UEN offers downloadable textbooks for kindergarten through 8th grade science. They also provide earth science, biology, chemistry, and physics for high school. There is a page where you can access online interactive activities for each textbook.
YAPA Kids (1st – 8th)
YAPA Kids provides free online courses taught by live teachers. The courses available may change, and some have a waitlist.
Additional Free Science Resources
Science Unit Studies, Lesson Plans, and Experiments
This collection of unit studies, lesson plans, and experiment guides can be used to create or supplement a science curriculum.
Science Websites for Homeschoolers
Students can learn more about science with these websites.
Homeschool Science with YouTube
This blog post lists numerous YouTube channels students can use to learn more about a wide variety of science topics.
Virtual Science Labs and Dissections
This blog post lists many resources for virtual science labs, dissections, and simulations.
Virtual Field Trips
Explore the world, including many science topics, through virtual field trips.
Free Nature Study Curriculum
Christian Liberty Nature Readers (K – 6th) C
This series is based on public domain books that can be downloaded online.
Every Child Should Know (K – 8th) Some C, varies by book
The Every Child Should Know series is a collection of books that were published in the early 1900s and are now in the public domain. The series includes nature study books about birds, wild animals, trees, plants, and wild flowers.
Exploring Nature With Your Child (Pre-K – 8th)
This book shows parents how to help their children enjoy and understand nature. It covers plants, animals, weather, stars, and more.
Handbook of Nature Study (K – 12th)
This book is a guide for studying nature with children.
Nature Study: A Pupil’s Text-book (2nd – 6th)
This book provides information for a year-long nature study, including information, observation through discovery-based questions, sketching, and composition.
Nature Study Made Easy (K – 5th)
This book covers various types of plants and trees. The lessons are in story form and include application questions, simple activities, and poetry.
One Hundred Lessons in Nature Study (K – 5th)
This book provides a collection of nature study lessons that may be used in any order. While the lessons were created for classroom use, most can be easily adapted for homeschooling. Some of the topics included are plants, animals, and weather.
Nature Study by Grades (1st – 5th) C
Nature Study by Grades Volume 1 is for grades 1st through 3rd, and Volume 2 is for 4th and 5th grades. These downloadable books provide information, suggestions for activities, and discussion prompts for numerous nature topics. The books were published in the early 1900s and intended for school use, but many of the suggestions will be useful to today’s home educators.
Our Wonderful World (K – 6th) C
The DIY Homeschool has created units to go along with the free nature study eBook, Our Wonderful World. Each unit includes several activities and additional reading.
Young Folks’ Pictures and Stories of Animals (K – 5th) C
This six-volume set of classic nature readers written by Sanborn Tenny is now in the public domain and available to read online or download.
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