Common earthworm

The anatomy of annelids is demonstrated through the example of the common earthworm.

El Niño

A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.

Native American settlement (Crow Nation)

The Crow are Native Americans who inhabited the Yellowstone River valley.


Jellyfish are free-swimming marine animals, a species of Cnidaria, the most ancient group of Eumetazoans.

Air pollution

This animation demonstrates the main sources of air pollution: Agricultural, industrial and urban air pollution.


Regular dice can be used for solving statistical and probability exercises.

Red deer

Red deer are even-toed ungulates, ruminants. Their males have spectacular antlers.

Cockchafer (Maybug)

The cockchafer (or maybug) is a widespread bug in Europe. Its larvae, known as chafer grubs are considered a pest.

Location of origin of livestock and crops

Domesticated animals and crops originate from various parts of the world.

Southern wood ant

An ant colony consist of a queen, male ants and workers.

Large white butterfly

The large white butterfly is a common species of butterflies, through which we demonstrate the anatomy of butterflies.

Soil pollution

This animation demonstrates the main sources of soil pollution.

Water turbine, generator

Water turbines convert the kinetic energy of water into electric current.

Hot air balloon

A hot air balloon is a balloon aircraft which is lifted by hot air.

European honeybee

Honeybees produce a sweet and nutritious substance, honey.

Tooth brushing

Careful tooth brushing is an important part of oral hygiene.

European mole

Moles are small subterranean mammals with modified, spade-like forelegs.

Female reproductive system (intermediate)

The reproductive system is a series of organs working together for the purpose of reproduction.

Underground waters

Groundwater and aquifers are types of underground waters.

Cities of the world

This animation demonstrates the geographical locations of the Earth's major cities.

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