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The dissolution of HCl in water leads to a drop in pressure, which causes the water in the bowl to rush into the flask.
How can a pair of metal snakes keep on grooving along a spinning top toy?
La industria del petróleo cubre las necesidades de petróleo de la industria mundial mediante un proceso llamado craqueo.
In this experiment, a simple balloon is used to model the principle of operation in hovercrafts.
If a wooden clown were to climb up two parallel sides of a rope, how would it do it? This video seeks to find out.
When you roll the paper cylinder away, it will soon roll back to you. Why does this happen?
When you punch several holes in a water bottle, the water flows out of the bottom hole the fastest. Why is that?
Observa cómo descompone la lipasa pancreática las grasas encontradas en la leche, en la presencia de una solución indicadora de fenolftaleína.
In this experiment, you’ll learn different ways of finding the centre of gravity of a sheet of cardboard.
This experiment explores the forces that act on objects during free fall.
The image at the top of the ball remains upright despite the ball rolling forward.
This experiment uses two test tubes to demonstrate the surprising effects of atmospheric pressure.
The rattleback is a rigid, cigar-shaped object cut in half along its longitudinal axis.
How can you knock a matchbox out from under a glass of water without spilling it?
This experiment shows you how to create a silver flower with electrolysis by depositing silver from a silver nitrate solution.
In this experiment, a simple pulley system is constructed using a spool, some string and plastic bottles.
This video uses a juice box to teach you how to calculate the volume and surface area of a rectangular cuboid.
Los catalizadores pueden facilitar o apoyar el proceso de reacciones que de otro modo no ocurrirían.
The dissolution process causes a drop in pressure, which draws water into the flask, creating a fountain-like effect.
A compound produced from calcium carbide and water, acetylene burns with a sooty flame.
When acetylene is combined with bleach, a vigorous addition reaction involving flames occurs.
Es la especie más grande de avispa autóctona de Europa. Su picadura, muy venenosa, afecta principalmente a otros artrópodos.