Science

Beginner

Physics in everyday life

Explore motion, forces, energy, waves, and electricity through 50 lessons. Work through examples, practise calculations, and experiment in the launch lab.

20 lessons · 193 min

Due for review

Lessons

  1. 1

    Measurements and SI units

    Choose the right units and convert lengths and times before calculating.

    8 min

  2. 2

    Speed and distance

    Calculate average speed and use a constant speed to predict distance.

    9 min

  3. 3

    Changes in velocity

    Calculate acceleration and predict velocity during a steady change.

    10 min

  4. 4

    Forces and motion

    Combine forces along a line and connect net force to acceleration.

    10 min

  5. 5

    Mass, weight, and gravity

    Distinguish mass from weight and calculate the force of gravity.

    8 min

  6. 6

    Work and kinetic energy

    Calculate energy transferred by a force and energy stored in motion.

    11 min

  7. 7

    Heat and temperature

    Distinguish temperature from heat transfer and calculate heating energy.

    11 min

  8. 8

    Waves and sound

    Connect wavelength, frequency, wave speed, and the time for one cycle.

    10 min

  9. 9

    Simple electric circuits

    Use voltage, current, and resistance to calculate values in a simple circuit.

    10 min

  10. 10

    Power and energy use

    Calculate the rate of energy transfer and connect electric power to voltage and current.

    9 min

  11. 11

    Repeating and recording measurements

    Use repeated readings to find a mean and describe their spread.

    9 min

  12. 12

    Distance and displacement

    Distinguish the length of a route from the change in position.

    9 min

  13. 13

    Forces come in pairs

    Identify interaction pairs and explain why equal forces can cause different accelerations.

    10 min

  14. 14

    Energy stores and transfers

    Track where energy is stored and keep a complete energy account.

    10 min

  15. 15

    Melting, freezing, and boiling

    Explain energy transfer during changes of state and calculate melting energy.

    10 min

  16. 16

    How energy moves by heating

    Distinguish conduction, convection, and radiation, and compare energy transfer rates.

    10 min

  17. 17

    Echoes and sound travel time

    Use the return time of an echo to measure distance.

    9 min

  18. 18

    Light rays and shadows

    Use straight-line ray paths to predict shadow size in a simple model.

    10 min

  19. 19

    Electric charge and current

    Calculate charge passing a point and explain what a current reading means.

    10 min

  20. 20

    Voltage and energy per charge

    Connect potential difference to energy transferred by electric charge.

    10 min