What is speed?
The video explores what the concept of speed means and how to measure it.
Estonian
Blind spot
The structure of the eye and its specific features are introduced, as well as a way to find a blind spot.
10 tips for creating PowerPoint presentations
The video provides advice on how to create PowerPoint presentations.
Taxes
This video explains what taxes are, how they arose historically, why they are needed, and how a person will be harmed if they do not pay taxes.
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.