Elementary science: don't use a textbook
The most common mistake in homeschool science is starting too formal too early. Five-year-olds and 7-year-olds don't need to memorize the parts of a plant cell or the names of cloud types from a workbook. They need to grow a sunflower, watch the clouds for an hour, dig in the dirt, and read picture books about whales.
What works at this age:
- Nature observation. Daily outdoor time with eyes open. A nature journal where the child draws what they see (an accessible practice from age 5 onward).
- Living books about science topics. The Magic School Bus, Nat Geo Kids, the Let's-Read-and-Find-Out series, biographies of scientists. Read aloud. Discuss.
- Kitchen-table experiments. Sink-or-float, baking soda + vinegar, growing crystals, simple circuits. Three or four experiments per month, not three per week.
- Documentary exposure. Planet Earth, Cosmos, Wild Kratts. One or two episodes per week as a family activity.
- Conversational science. Why do leaves change color? Where does rain come from? How do birds fly? Don't pretend to know what you don't; look it up together.
The skill being built is curiosity — the willingness to notice something, ask why, and pursue an answer. That skill drives all later science. A child who memorizes the textbook but can't tell you why grass is green has missed the actual subject.
By grade 3 or 4 you can add a light unit-study structure: a 6-week unit on weather, a 6-week unit on the human body, a 6-week unit on simple machines. Use library books, simple experiments, and the curriculum if you want one (Real Science 4 Kids, Mr. Q's Free Science) but keep it light.
Middle school: where curriculum starts paying off
By grade 6, kids are ready for real science vocabulary, scientific method, basic lab skills, and a survey of the three major fields (life, earth/space, physical) at increasing depth. A formal curriculum starts being useful here.
Strong middle-school science options:
- Apologia (Christian worldview). General Science, Physical Science, then Biology. The most-used Christian homeschool middle-school sequence.
- Berean Builders (Christian, by Dr. Jay Wile). Strongly narrative, popular with families who found Apologia dense. Some kids who hate Apologia love Berean Builders.
- Real Science 4 Kids (secular, neutral worldview). Modular structure across chemistry, biology, physics, and geology.
- RSO Real Science Odyssey (secular). Strong on lab work; full multi-year sequence.
- BJU Press (Christian). Traditional textbook approach.
- Build-your-own: Khan Academy + a textbook + library books. Works for self-directed students whose parent is comfortable assembling.
A typical middle-school sequence:
- 6th grade: General/Earth Science. Earth structure, weather, ecosystems, basic chemistry intro.
- 7th grade: Physical Science. Matter, energy, motion, simple chemistry.
- 8th grade: Biology (intro level). Cells, organisms, ecology — preparing for the high school version.
Total time: 30–45 min/day, 4 days/week, including occasional labs. About 3 hours weekly. Increase to 60 min if doing a more rigorous curriculum.
High school: lab sciences, college prep
High-school science is where the work gets serious — and where outsourcing becomes the norm rather than the exception.
Standard 4-year sequence
- 9th grade: Biology with lab. Cells, genetics, evolution, ecology, anatomy basics.
- 10th grade: Chemistry with lab. Atomic theory, bonding, reactions, stoichiometry, acid/base.
- 11th grade: Physics with lab. Mechanics, waves, electricity/magnetism. Algebra-based for college-prep, calculus-based for STEM-track.
- 12th grade: Advanced/specialty science — anatomy & physiology, environmental science, astronomy, AP-level course, or a second pass at one of the above.
Common variations
- Physics first sequence: Some families do Physics in 9th, Chemistry in 10th, Biology in 11th — argued by some educators to build mathematical foundations before the chemistry that depends on them. Less common in homeschool but valid.
- Honors / AP track: AP Biology in 10th or 11th, AP Chemistry, AP Physics 1 or AP Physics C. Strong rigor signal.
- Dual enrollment: Community college Biology I, Chemistry I, or Physics I covering both high-school credit and college credit. Often the strongest single move for college-bound students.
How do I do high-school labs at home?
Three approaches, in increasing order of rigor and parent involvement:
Home lab kits
Quality Science Labs, Home Science Tools, and curriculum-specific kits sell complete lab packages with reagents, equipment, and lab manuals. Apologia and Berean Builders both have aligned home-lab kit options. Cost: $100–$400 per course. Requires parent supervision and reasonable comfort with the materials. Works well for Biology and basic Chemistry; Physics is the easiest to do with home equipment.
Co-op or online lab class
Many homeschool co-ops run high-school lab classes once per week, with students doing reading and homework at home and labs in the co-op setting. Online classes (Wilson Hill Academy, Veritas Press Scholars Academy, The Potter's School, AP-approved providers) often ship lab kits and run lab sessions over video — quality varies; read reviews. Cost: $300–$1,000 per course.
Dual enrollment
Take Biology I or Chemistry I with lab at a community college. Real college lab, real college credit, real college transcript. Often free or low-cost in states with strong dual-enrollment programs. The strongest credentialing path. Can homeschoolers take dual enrollment covers the mechanics.
Whatever route you take, document the lab work. The transcript should say "Biology with Lab" not just "Biology." A lab manual or lab journal showing completed experiments matters in selective college admissions.
What do colleges expect?
The standard college-prep science load: 3–4 years of high-school science with at least 2 lab sciences (ideally 3).
- State universities: 3 years of science with at least 2 labs is generally sufficient.
- Selective private colleges: 4 years of science, at least 3 labs. Often want to see Biology, Chemistry, AND Physics.
- STEM-track applicants anywhere: 4 years, at least one AP-level or dual-enrollment science. AP scores 4–5 or college grades A/B carry weight.
- Highly selective (top-30 STEM): Multiple AP sciences or a research project, science fair participation, or summer research at a university.
If your student is non-STEM track, three lab sciences (Biology, Chemistry, and one of Physics or environmental/anatomy) is sufficient for nearly any non-STEM application. Don't over-engineer for hypothetical Ivy admissions if your student isn't aiming there.
When should I outsource?
Most homeschool families outsource at least one high-school science. Common triggers:
- The subject exceeds your expertise. Most parents can teach Biology adequately; fewer can teach Chemistry well; fewer still can teach calculus-based Physics. When you can't, outsource.
- You want a real grade on a real transcript. Dual-enrollment grades carry far more weight than parent-issued grades. AP exam scores function the same way.
- Parent bandwidth. High-school science with full labs is teaching-intensive — 5–8 hours per week of parent involvement. Many families can't sustain that across multiple subjects.
- The student wants social science learning. A co-op lab class with peers is often more motivating than a parent-led at-home lab.
- AP-level work. AP courses benefit from a teacher trained in AP content, and the College Board's AP-approved course list verifies course rigor.
Don't view outsourcing as failure. View it as designing a stronger transcript — and freeing parent bandwidth for the subjects where you do have expertise. Many homeschool high schoolers take 1–2 outsourced science classes during their 4 years and self-teach the others.