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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.
Os catalisadores podem facilitar ou apoiar o processo de reações que de outro modo não podiam acontecer.
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.
The largest endemic European hornet species, characterised by its venomous sting and its taste for other insects.
Simians are vertebrates in the order Primates, commonly known as monkeys and apes.
Let's learn more about the fascinating history of computing, which has gone through an unprecedented rapid evolution.
Let's learn more about the fascinating history of computing, which has gone through an unprecedented rapid evolution.
These golden-yellow, though poisonous, flowers turn damp meadows into a sea of yellow.
The ginkgo biloba is an ancient tree species that has been around since prehistoric times.
A tectónica de placas é uma teoria, que trata o movimento das placas tectónicas.
Examination of filamentous plant and fungus species with an optical microscope.
Slovenia is a former Yugoslav successor state inhabited by merely 2 million people. Despite its size, it offers a diverse range of landscapes and climates.
Quando o óleo essencial da casca tocar a chama da vela vai arder e criar uma bola de fogo.
Fascinante espécie de insetos aquáticos, capaz de se locomover sobre a água recorrendo à tensão de superfície.
Testar as regras dos circuitos em série através da modelagem.
Testar as regras dos circuitos paralelos utilizando a modelagem.
O termo "faia" é usado para denominar várias espécies de árvores que crescem desde a América do Norte até à Ásia, ou seja, um pouco por toda a zona temperada do norte.
Pensaram ainda em o que acontece exatamente com o resíduo o que deitamos ao lixo?
The white stork is one of the best-known migratory birds in Europe. But how much do you know about these birds?
Let’s observe the effect of the amylase enzyme on a starch solution in the presence of Lugol’s solution.