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Extras

In this lesson, you are going to learn about first and second conditional sentences.

Esta lição é sobre o papel do dióxido de carbono na atmosfera.

Uma lição sobre equilíbrio e estabilidade.

In this lesson, we are going to learn some common collocations with make, do and have.

In this lesson, you can learn about the Huguenots and the cruelest religious war of the 16th century.

Aprendam acerca da corrente elétrica e das suas diferentes formas em redes elétricas.

Em redor da Terra, onde temos de colocar um corpo para que a sua posição permaneça estável?

Learn about the two metals commonly used for soldering.

Learn about mercury and its most important compounds.

In this lesson, we are going to learn some colours.

O 4º maior país do mundo dispõe de uma grande variedade de recursos naturais.

Learn about the history of world's fairs from the beginning to the present day.

Aprendam acerca da sociedade e economia dos Estados Unidos da América.

Learn what medieval European people ate and how they prepared their meals.

In this lesson, you are going to learn about definite and indefinite articles.

This lesson explores the practical uses of remote sensing.

In this lesson, you are going to learn about different expressions of quantity.

Learn about Franklin D. Roosevelt, one of the most popular presidents in the history of the United States.

Learn about the history of the global economic depression that began in 1929.

In this lesson, you can learn about how organic chemistry developed and what it studies.

Nesta lição, vão aprender acerca de sapos reais e imaginados.

Learn about colours in a playful way and try colour mixing.