What is speed?

The video explores what the concept of speed means and how to measure it.

Blind spot

The structure of the eye and its specific features are introduced, as well as a way to find a blind spot.


The video talks about polymers.

The solar system

In the video, a model of the solar system is created, and the various planets and their order in relation to the Sun are learned.

The seasons

The video introduces the Earth’s axis of rotation. It shows how light from the Sun reaches some areas on Earth more than others.