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Science

Explore the physical and living world — from subatomic particles to galaxy clusters, from DNA to ecosystems.

10+
Disciplines
25+
Modules
AP Ready
Exam Coverage
All
K-12
Middle School
High School
College
Advanced

What Each Discipline Covers

⚙️

Physics

Motion, forces, energy, waves, E&M, thermodynamics, quantum mechanics, and relativity.

⚗️

Chemistry

Atomic structure, bonding, reactions, stoichiometry, thermochemistry, and organic chemistry.

🧬

Biology

Cell biology, genetics, evolution, ecology, anatomy, microbiology, and molecular biology.

🌍

Earth Science

Plate tectonics, geology, rock cycle, weathering, climate, oceans, and the atmosphere.

🔭

Astronomy

The solar system, stellar physics, galaxies, black holes, and cosmology.

🧠

Neuroscience

Neurons, synapses, brain structure, action potentials, neurotransmitters, and cognition.

🌿

Environmental Science

Ecosystems, energy flow, biogeochemical cycles, climate change, and sustainability.

ψ

Quantum Mechanics

Wave-particle duality, uncertainty, Schrödinger's equation, and quantum states.