Science, drawn as it is explained
Cells, forces and molecules, drawn and named on the board.
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26 courses
Kindergarten to grade 2
Science, kindergarten to grade 2
- Pushes and pulls
- Sunlight and warmth
- What living things need
- Weather
- Light and sound
- Plants, animals and their young
- Patterns in the sky
- Materials and what they are like
- Habitats
- Changes to land and water
- Solving problems by design
Grades 3 to 5
Science, grades 3 to 5
- Forces and magnets
- Life cycles and traits
- Groups, environments and survival
- Weather and climate
- Energy
- Waves and information
- Plant and animal structures
- Earth's changing surface
- Matter
- Gravity, the sun and the stars
- Food and ecosystems
- Earth's systems
- Engineering design
Grades 6 to 8
Middle school science
- Matter and its interactions
- Forces and motion
- Energy
- Waves
- Cells and organisms
- Ecosystems
- Heredity and evolution
- Earth's place in the universe
- Earth's systems
- Earth and human activity
- Engineering design
Earth and space science, middle school
- Earth, sun and moon: seasons, phases and eclipses
- Gravity and the solar system
- Earth's history and geologic time
- Rocks, minerals and the rock cycle
- Plate tectonics and Earth's surface
- The water cycle
- Weather and air masses
- Oceans, atmosphere and climate
- Natural resources
- Natural hazards
- Human impact on Earth
- Climate change
High school
High school biology
- Cells, DNA and proteins
- Body systems and homeostasis
- Cell division and growth
- Photosynthesis and cellular respiration
- Ecosystems and populations
- Matter and energy in ecosystems
- Inheritance and variation
- Evolution and natural selection
- Biodiversity and human impact
- Earth's history and climate
- Earth and human activity
High school chemistry
- Measurement and matter
- Atoms and the periodic table
- Chemical bonding and structure
- Chemical reactions
- The mole and stoichiometry
- Gases and kinetic molecular theory
- Solutions
- Energy in chemical reactions
- Reaction rates and equilibrium
- Acids and bases
- Electrochemistry
- Nuclear chemistry
- Introduction to organic chemistry
High school physics
- Motion: position, velocity and acceleration
- Forces and Newton's laws
- Rotation: torque and equilibrium
- Momentum and collisions
- Gravity and orbits
- Energy and its conservation
- Oscillations: springs and pendulums
- Fluids: pressure and buoyancy
- Thermodynamics: gases and heat engines
- Electricity and magnetism
- Waves
- Optics: mirrors and lenses
- Electromagnetic radiation and information
- Nuclear physics
- Special relativity
- Stars and the universe
- Plate tectonics
Earth and space science
- The sun and stars
- The big bang and the universe
- Orbits and the solar system
- Earth's formation and early history
- Rocks, minerals and maps
- Earth's interior and plate tectonics
- Earth's systems and feedbacks
- Water and Earth's materials
- Energy, weather and climate
- The carbon cycle
- Life and Earth evolving together
- Natural resources and hazards
- Sustainability and human impact
- Climate change: data, models and solutions
AP courses
AP Chemistry
- Atomic structure and properties
- Compound structure and properties
- Properties of substances and mixtures
- Chemical reactions
- Kinetics
- Thermochemistry
- Equilibrium
- Acids and bases
- Thermodynamics and electrochemistry
AP Biology
- Chemistry of life
- Cell structure and function
- Cellular energetics
- Cell communication and cell cycle
- Heredity
- Gene expression and regulation
- Natural selection
- Ecology
AP Physics 1
- Kinematics
- Force and translational dynamics
- Work, energy and power
- Linear momentum
- Torque and rotational dynamics
- Energy and momentum of rotating systems
- Oscillations
- Fluids
- Exam skills: the four free-response types
AP Physics 2
- Thermodynamics
- Electric force, field and potential
- Electric circuits
- Magnetism and electromagnetism
- Geometric optics
- Waves, sound and physical optics
- Modern physics
- Exam skills: the four free-response types
AP Physics C: Mechanics
- Kinematics
- Force and translational dynamics
- Work, energy and power
- Linear momentum
- Torque and rotational dynamics
- Energy and momentum of rotating systems
- Oscillations
- Exam skills: the four free-response types
AP Physics C: Electricity and Magnetism
- Electric charges, fields, and Gauss's law
- Electric potential
- Conductors and capacitors
- Electric circuits
- Magnetic fields and electromagnetism
- Electromagnetic induction
- Exam skills: the four free-response types
AP Environmental Science
- The living world: ecosystems
- The living world: biodiversity
- Populations
- Earth systems and resources
- Land and water use
- Energy resources and consumption
- Atmospheric pollution
- Aquatic and terrestrial pollution
- Global change
College
General Biology
- Chemistry of life
- Cell structure and function
- Cellular energetics
- Cell communication and cell cycle
- Heredity
- Gene expression and regulation
- Natural selection
- Ecology
General Chemistry
- Atomic structure and properties
- Compound structure and properties
- Properties of substances and mixtures
- Chemical reactions
- Kinetics
- Thermochemistry
- Equilibrium
- Acids and bases
- Thermodynamics and electrochemistry
College Physics I
- Kinematics
- Force and translational dynamics
- Work, energy and power
- Linear momentum
- Torque and rotational dynamics
- Energy and momentum of rotating systems
- Oscillations
- Fluids
College Physics II
- Thermodynamics
- Electric force, field and potential
- Electric circuits
- Magnetism and electromagnetism
- Geometric optics
- Waves, sound and physical optics
- Modern physics
University Physics I: Mechanics
- Kinematics
- Force and translational dynamics
- Work, energy and power
- Linear momentum
- Torque and rotational dynamics
- Energy and momentum of rotating systems
- Oscillations
- Gravitation and orbits
University Physics II: Electricity and Magnetism
- Electric charges, fields, and Gauss's law
- Electric potential
- Conductors and capacitors
- Electric circuits
- Magnetic fields and electromagnetism
- Electromagnetic induction
- AC circuits and Maxwell's equations
University Physics III: Fluids, Waves, Thermodynamics and Optics
- Fluid statics and dynamics
- Damped and driven oscillations
- Mechanical waves
- Sound
- Temperature and heat
- Kinetic theory of gases
- The first law of thermodynamics
- Heat engines, entropy and the second law
- Electromagnetic waves
- Geometric optics
- Interference and diffraction
University Physics IV: Relativity and Quantum Physics
- Special relativity
- Light as photons
- Models of the atom
- Matter waves
- The Schrödinger equation
- Quantum physics of solids
- Nuclear physics
Classical Mechanics
- Motion in phase space
- Linear and coupled oscillations
- The calculus of variations
- Lagrangian mechanics
- Central forces and the two-body problem
- Rotating frames and rigid bodies
- Hamiltonian mechanics
Thermal and Statistical Physics
- Microstates and multiplicity
- Entropy, temperature and the second law
- Boltzmann statistics
- Free energy and phase equilibria
- Quantum statistics
Environmental Science
- The living world: ecosystems
- The living world: biodiversity
- Populations
- Earth systems and resources
- Land and water use
- Energy resources and consumption
- Atmospheric pollution
- Aquatic and terrestrial pollution
- Global change
How Helio teaches it
Drawn, not just told
Diagrams take shape as Helio talks through them.
The why behind it
Helio explains the reason, not just the fact.
Up to AP
Life, earth and physical science, up to AP.
Helio checks math. In other subjects it can be wrong, so ask why.