Video library

Categorized videos showing interesting experiments and movie clips.

Time machine

People and events shown in a dynamic timeline and relations view.

Wildlife

Nature photo gallery with data, informative descriptions and various exercises.

3D photos

A collection of 3D images viewable with red-cyan glasses.

Molecules

Main properties, structural formulas and informative three-dimensional models of molecules.

Microscope

A collection of images about microscopic objects and organisms which are invisible to the naked eye.

Minerals

Data and properties of the best-known minerals with 3D display.

Quiz

Answer quiz questions on 12 different topics with increasing level of difficulty.

Related tools & games

T E S T

Interactive test editor and player.

Board games

Multi-player quiz game with various types of popular games.

3D menu

A categorised collection of 3D scenes with a spectacular search interface.

3D graph

A categorised collection of 3D scenes with a spectacular search interface.

Question sheet

Simple question sheet with text and pictures; multiple choice questions with a single or multiple correct......

Elements

The periodic table with many useful filters and sorting features.

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