Short-lived but extremely powerful tornadoes can cause a great deal of damage.

Related extras


Waves play an important role in forming the coast.

Where all water disappears The Desert

Földünk felszínének egyhetedét elfoglaló sivatagok kialakulása, éghajlata, felszínformálása.

Minerals: active participants of our lives

This lesson introduces you to the world of minerals.

Sedimentary rock

Did you know that about 75% of the land on our planet is covered with sedimentary rock?

Types of lakes

Still waters take various forms on the planet. Let’s take a look at how we can group them.


People have always preferred to settle near rivers. What are the advantages and disadvantages of...

Join the caravan!

This lesson presents deserts and their flora and fauna.


The rise and drop of sea levels caused by the gravitational force of the Moon.

Added to your cart.