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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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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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Les chiffres de 1 à 100: Flashcards
Flash cards and exercises to practice numbers up to 100.
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Similar Triangles: Exercises
These BookWidgets cover exercises on similar figures, the similarity factor and calculating a missing side.
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Puzzle Maker: ZIM
Add an image and divide it into rows and columns. This way you can quickly design your own thematic puzzles. You solve your puzzle by dragging the puzzle pieces to their correct places.
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Common Mistakes: Difference between A and AN
Practice the use of indefinite articles with this fill-in exercise. Choose between a or an each time.
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Climate change: Learning path
This learning path lets you discover step by step what the causes of climate change are, what its consequences are and what solutions are possible.
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Present tense, past tense and past participle
Use this quiz to practice conjugating verbs.
You practice the present tense, the past tense and the past participle.
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