Gravitational acceleration, the shape of the Earth and its rotational motion Whiteboard exercise Play

Gravitational force Animation Play

Gravitational force and weight Student activity Play

Gravitational force and weight Whiteboard exercise Play

Great extinctions Student activity Play

Heat from the inside of the Earth Whiteboard exercise Play

Heat from the inside of the Earth Student activity Play

Heat inside the Earth Animation Play

Heating Animation Play

Henry Cavendish – Earth's density Animation Play

History of life on Earth Animation Play

History of life on Earth – the evolution Chart Play

How did the atmosphere form? Student activity Play

How do tiny marine plants influence the climate on the Earth? Animation Play

How far away are the stars? Student activity Play

How far away are the stars? Whiteboard exercise Play

How far is the horizon? Student activity Play

How far is the horizon? Whiteboard exercise Play

How gravity affects orbits Simulation Play

How it all started Animation Play

How light travels Student activity Play

How planets reflect light Whiteboard exercise Play

How planets reflect light Student activity Play

How the Moon affects the ocean’s water level Student activity Play

How the Moon affects the ocean’s water level Whiteboard exercise Play