Your cart is empty
Surface tension, a special property of water surface, and the spherical shape of water drops are due to the attraction between the water molecules.
After the impact, the basketball regains its original shape, that is, elastic deflection occurs.
Brownian motion is the continuous random motion of particles mixed in a fluid, caused by their collision with the constantly moving molecules of the fluid.
Winter is one of the seasons of the temperate climate zone. Days are the shortest and the weather is the coldest in winter.
Let's take a trip to the hills. We can hike, ride a bike or choose the scenic train route.
Lake Balaton, located in Hungary, is the largest lake in Central Europe and a popular tourist destination.
This tree, popular in rural courtyards, is grown for its stone fruit and good quality timber.
During the reaction, the combustion of magnesium is intense enough to reduce carbon dioxide thus producing more oxygen.
When heated, powdered sulphur and zinc react with each other in a highly exothermic process.
It is a common plant in forests that needs to be avoided during excursions.
Calcium oxalate and calcium sulphate crystals, found in the spathe of an onion, are examined at a magnification of 100x.
Let’s see what a plant cell nucleus looks like under the microscope.
We will use the epidermis of an onion to examine the process of plasmolysis.
The surface of an eelgrass leaf observed under an optical microscope at medium magnification.
Perennial plants are herbaceous plants that live for more than two years.
In the mid-19th century, the Van de Graaff generator was considered an interesting device. It can also be used to demonstrate how charges flow through a conductor.
A Van de Graaff generator is used to produce electric discharge.
The Canary Islands is an excellent example of hotspot volcanism.
What happens if you drop a hammer and a feather at the same time?
How can some objects remain floating in the air? The answer lies in magnets.