You Need Science - All Lessons

Start at the beginning. Every lesson builds on previous lessons.

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  • 00 - Why You Need Science
  • 01 - How to think like a scientist
  • 02 - Get organized
  • 03 - Solids, liquids and gases
  • 04 - Air is a substance
  • 05 - Matter 1: Particles
  • 06 - Distinguishing materials. What is this made of?
  • 07 - Magnets and magnetic fields
  • 08 - Matter 2: Air pressure and the Earth’s atmosphere
  • 09 - Air: a mixture of gases (mixtures and chemical reactions)
  • 10 - Matter 3: Evaporation and condensation
  • 11 - Matter 4: Dissolving, solutions, and crystallization
  • 12 - Rocks, minerals, crystals, dirt and soil
  • 13 - Distinguishing living, natural non-living, and human-made things
  • 14 - Distinguishing between plants and animals: the plant and animal kingdoms
  • 15 - Life cycles
  • 16 - Identification of living things
  • 17 - What is a species?
  • 18 - Food chains and adaptations
  • 19 - How we move 1: Skeleton and muscle system
  • 20 - How we move 2: Different body designs; major animal phyla
  • 21 - How we move 3: Coordinating body movements; the nervous system
  • 22 - How we move 4: Energy to run the body
  • 23 - Plant science 1: Basic plant structure
  • 24 - Plant science 2: Germination, seedling growth, and responses
  • 25 - Plants, soil, and water
  • 26 - Concepts of energy 1: Making things go!
  • 27 - Sound, vibrations and energy
  • 28 - Concepts of energy 2: Kinetic and potential energy
  • 29 - Concepts of energy 3: Distinguishing matter and energy
  • 30 - Inertia
  • 31 - Friction
  • 32 - Push pushes back
  • 33 - Gravity 1: Earth’s gravity; horizontal and vertical
  • 34 - Day and night; the Earth’s rotation
  • 35 - Reading and drawing maps
  • 36 - North, south, east and west
  • 37 - Land forms and major biomes of the Earth
  • 38 - Time and the Earth’s turning
  • 39 - Seasonal changes and the Earth’s orbit
  • 40 - Gravity 2: Rate of fall; weightlessness in space, the distinction between mass and weight
  • 41 - Rocks and fossils
  • 42 - Atomic/molecular motion 1: Brownian motion and diffusion
  • 43 - Atomic/molecular motion 2: Relationship to temperature
  • 44 - Atomic/molecular motion 1: Heat and pressure
  • 45 - Chemical elements and compounds
  • 46 - Will it sink or float? The concept of density
  • 47 - How metal ships float; making a hydrometer
  • 48 - Heat, volume and density
  • 49 - Convection currents
  • 50 - Cells 1: Microscopes, observations of tissues, and cell theory
  • 51 - Cells 2: Cell growth, division, and diffferentiation
  • 52 - Cells 3: Integrating cells and whole-body functions
  • 53 - Microscopic organisms I: Their multitude and diversity
  • 54 - Microscopic organisms II: Single-celled organisms
  • 55 - Fungi and bacteria 1: Their role as decomposers in nature
  • 56 - Fungi and bacteria 2: Decomposers vs. food storage and preparation
  • 57 - Fungi and bacteria 3: Decomposers vs. disease and health
  • 58 - The life of plants 1: Gardening for food, fun and learning
  • 59 - The life of plants 2: How a plant grows its parts
  • 60 - How things fly
  • 61 - Center of gravity, balance and wobbling wheels
  • 62 - Movement, energy, and momentum
  • 63 - Mechanics 1: Levers and discovery of the underlying principle
  • 64 - Mechanics 2: Inclined planes, pulleys, gears, and hydraulic lifts
  • 65 - Electricity 1: Electric circuits, switches, conductors, and non-conductors
  • 66 - Electricity 2: Static electricity, sparks, and lightning
  • 67 - Electricity 3: Parallel and series circuits, short circuits, fuses, and ground wires
  • 68 - Light: the basics of seeing
  • 69 - Cause of seasonal changes
  • 70 - Mapping the Earth: latitude and longitude
  • 71 - The water cycle and its ramifications
  • 72 - Earthquakes, volcanoes, and the movements of tectonic plates
  • 73 - Climate and weather: wet tropics and dry deserts
  • 74 - Carbon dioxide and regulation of climate
Congratulations! You are now scientifically literate!
This is the education that you were supposed to get by the end of 5th grade, to prepare you for being a successful adult and a good citizen of the world.
Did you? No. That's why You Needed Science.

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