Solid-liquid phase change Student activity Play

Solids Student activity Play

Statements about attraction and repulsion Whiteboard exercise Play

Statements about gravity Whiteboard exercise Play

Structure and properties of molecular crystals Animation Play

Structure and properties of water Student activity Play

Structure of ionic crystals Student activity Play

Structure of ionic crystals Animation Play

Syzygy tides and neap tides Animation Play

Testing for magnetism Student activity Play

Testing for magnetism Animation Play

The attraction of iron filings by magnets Animation Play

The attraction properties of an electromagnet Animation Play

The balls Animation Play

The boiling points of alcohols Animation Play

The boiling points of alcohols Student activity Play

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

The Earth's gravitation Animation Play

The effect of the centrifugal force Animation Play

The electromagnet Student activity Play

The force of attraction Animation Play

The force of gravity Animation 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 distance Student activity Play