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Astronomy: Extraterrestrial life
This exercise is about:
- extraterrestrial life;
- super habitable planet;
- exoplanet;
- abiogenesis;
- panspermia;
- number of exoplanets discovered.
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Astronomy: Scientists
This exercise on the history of astronomy covers a range of concepts, a range of scientists and astronomers from the past.
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Astronomy: History
This exercise is about the history of astronomy in ancient times, the Middle Ages, modern times and the present.
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Astronomy: Movement of the moon
This exercise is about, among other things
- movement of the moon;
- mare on the moon;
- phases of the moon;
- sidereal month;
- lunar eclipse;
- solar eclipse;
- tides on earth.
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Geology: Concepts part 13a
This digital exercise will help you learn more about geology. While completing the sorting exercise you will learn more about:
- Quaternary,
- Pleistocene,
- glacials,
- fauna,
- humanoids,
- Holocene,
- ...
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Mots à double sens : Blagues courtes
In these exercises you get to read French jokes of which you have to try to guess the continuation. You then have to make good sentences with the answer pieces.
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Le week-end de Marie : Comic strip with exercises
In the first part, you will read and listen to a comic strip that tells about Marie's activities during her weekend. You take short notes that you use to solve the test in the second part. In part three you practice the dialogue with a fellow …
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Expressions de temps: Exercises in game form (1)
You first listen carefully to the sentences with a time indication and then you learn to make sentences yourself.
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Derivative of a Quotient: Exercises
Step by step application of the derivative of a quotient:
- three fully worked out exercises. You click on the arrows to go through everything chronologically or in reverse order;
- three exercises with partially elaborated intermediate steps, by …
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Derivative of a product: Exercises
Step-by-step application of the derivative of a product:
- three fully worked out exercises. You click on the arrows to go through everything chronologically or in reverse order;
- three exercises with partly elaborated intermediate steps, by selecting …
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Expressions de temps: Mini-dialogues (2)
Here you can practice different mini-dialogues with time indications.
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Derivative function from the definition of the derivative: Exercises
Application of the definition of the derivative. The exercise consists of three parts:
- in the first part, three exercises are fully worked out. The student clicks on arrows to go through everything chronologically or in reverse order;
- the second part …
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