The de Broglie hypothesis Student activity Play

The de Broglie hypothesis Whiteboard exercise Play

The de Broglie hypothesis Animation Play

The difference between an element and a compound Whiteboard exercise Play

The direction of gravitational attraction for a system of bodies Animation Play

The discovery of positively charged particles Animation Play

The discovery of radioactivity Student activity Play

The Earth's gravitation Animation Play

The effect of cooling on the volume of bodies Student activity Play

The effect of the centrifugal force Animation Play

The electromagnet Student activity Play

The elementary particles Illustration Play

The energy of beta particles Animation Play

The force of attraction Animation Play

The force of gravity Animation Play

The force of gravity depends on the distance Student activity Play

The force of gravity depends on the distance Simulation Play

The force of gravity depends on the distance Whiteboard exercise Play

The force of gravity depends on the mass Simulation Play

The force of gravity depends on the mass Whiteboard exercise Play

The force of gravity depends on the mass Student activity Play

The gravitational interaction of bodies Student activity Play

The gravitational interaction of bodies Simulation Play

The gravitational interaction of bodies Whiteboard exercise Play

The identification of rays Student activity Play