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Derive fraction from figure
The figures are divided into boxes and partly colored. The number of colored boxes must be expressed as a fraction.
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Pro-Productive
Pro-Productive is an educational game where you learn how important it is to invest in an efficient production environment. By making the right choices, you not only increase your profits, but you also ensure better cooperation within your team, …
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Astronomy: Speed of Light
This digital exercise will help you learn more about astronomy. While completing the multiple choice questions and fill-in exercises you will learn more about:
- measure the speed of light;
- Lorentz transformation;
- arcsecond;
- light-year sunrise; …
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Astronomy: Calendar
This digital exercise will help you learn more about astronomy. While completing the multiple choice questions and fill-in exercises you will learn more about:
- calculation day of the week;
- modular arithmetic;
- perpetual calendar;
- week number; …
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Astronomy: Theory of Relativity
This digital exercise will help you learn more about astronomy. While completing the multiple choice questions and fill-in exercises you will learn more about:
- general relativity;
- special relativity.
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Astronomy: Space and Time
This digital exercise will help you learn more about astronomy. While completing the multiple choice questions you will learn more about:
- absolute space;
- space time;
- string theory;
- curvature in spacetime.
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Astronomy: Extraterrestrial life
This digital exercise will help you learn more about astronomy. While completing the multiple choice questions you will learn more about:
- extraterrestrial life;
- Kardashev scale;
- string theory;
- creationism;
- theory of evolution;
- intelligent …
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Astronomy: Concepts 4
This digital exercise will help you learn more about astronomy. While completing the multiple choice questions and fill-in exercises you will learn more about:
- ebb,
- emission line,
- photosphere,
- epicycles,
- gray nights,
- white nights,
- GZK limit,
- halo.
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Astronomy: Crossword
This digital exercise will help you learn more about astronomy. While completing the crossword puzzle you will learn more about:
- aphelion,
- soil,
- astronomy,
- Betelgeuse,
- big bang,
- arcsecond,
- Cygnus,
- declination,
- Deimos,
- doppler effect, …
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Sustainable chemistry - WEZO 5
This exercise on sustainable chemistry discusses the various energy sources, as well as raw materials and waste processing.
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Astronomy: Spaghettification
This digital exercise will help you learn more about astronomy. While completing the multiple choice questions and fill-in exercises you will learn more about:
- spaghettitification,
- spectral class,
- spectroscopic double stars,
- radiation wreath, …
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Astronomy: Scintillation
This digital exercise will help you learn more about astronomy. While completing the multiple choice questions you will learn more about:
- scintillation,
- flashes of light,
- reflection,
- refraction waves.
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