Levels 1 to 52 of 6 books ready

Forces and motion

Every book on this topic, lowest level first. Each one builds on the book above it. If a book feels hard, go back up the ladder to the one before.

  1. S1.5Level 1, classes 1 and 2Planned

    Pushes and pulls

    A push or a pull can make things start, stop, turn or change shape.

    1. Push or pull
    2. Starting and stopping
    3. Faster, slower and turning
    4. Changing shape
    5. Rough and smooth ground
    6. Things fall down

    6 chapters planned

  2. NextYou are here
    S2.5Level 2, classes 3 to 5

    Forces: friction, falling and floating

    Forces push and pull on everything, and they explain why things slow down, fall and float.

    1. Forces are pushes and pulls
    2. Measuring forces
    3. Friction
    4. More friction or less
    5. Gravity and falling
    6. Air and water resistance
    7. Floating and sinking
    8. Shape and floating

    8 chapters

  4. S4.8Level 4, classes 9 and 10Planned

    Newton's laws

    Three laws explain how forces change the motion of everything from a ball to a bus.

    1. Scalars and vectors
    2. Velocity and acceleration
    3. Newton's first law
    4. Newton's second law
    5. Weight and falling
    6. Newton's third law
    7. Momentum
    8. Stopping distances

    8 chapters planned

  5. S5.9Level 5, classes 11 and 12Planned

    Mechanics

    Mechanics uses a few laws to predict how things move, swing and collide.

    1. Vectors and equilibrium
    2. Motion in a straight line
    3. Projectiles
    4. Momentum and impulse
    5. Work, energy and power
    6. Circular motion
    7. Simple harmonic motion
    8. Materials and elasticity

    8 chapters planned

  6. S5.13Level 5, classes 11 and 12Planned

    Fields

    Gravity, electric charge and magnetism all act at a distance through fields that follow similar rules.

    1. Gravitational fields
    2. Gravitational potential and orbits
    3. Electric fields
    4. Electric potential
    5. Charged particles in fields
    6. Magnetic force on charges
    7. Faraday's and Lenz's laws
    8. Alternating current and transformers

    8 chapters planned