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Sine, cosine and tangent in a right triangle: Exercise
Exercises on the sine, cosine and tangent in a right triangle.
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Karrewiet's Week: Questionnaire broadcast May 11, 2024
You solve quiz questions at De Week van Karrewiet ( broadcast on May 11, 2024 ).
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What doesn't belong in the list?: Vocabulary exercise
Digital exercise with the basic vocabulary from target grade 1.
In each row there is one word that does not fit in the series. Click on the word that does not belong.
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Karrewiet's Week: Questionnaire broadcast May 4, 2024
You solve quiz questions at De Week van Karrewiet ( broadcast of May 4, 2024 ).
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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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Karrewiet's Week: Questionnaire broadcast April 20, 2024
You solve quiz questions at De Week van Karrewiet ( broadcast April 27, 2024 ).
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Nous forms of verbs: Practice list
Practice the nous forms of verbs in preparation for the formation of the imparfait with the flash cards or the exercises
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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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