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Vernier caliper: Read
This learning tool explains step by step how to read a caliper. There are also some exercises to practice reading the ruler and vernier.
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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: 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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Similar Triangles: Exercises
These BookWidgets cover exercises on similar figures, the similarity factor and calculating a missing side.
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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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Universe: Escape game
Help Elien the Alien to come to Earth. You do this by solving various riddles and puzzles about our universe.
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Astronomy: Torino scale
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:
- Torino scale;
- near-Earth objects;
- detection;
- recent near-Earth objects.
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Astronomy: Zenith
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:
- zenith,
- nadir,
- zenithal hourly rate,
- zenith line,
- gravitational lens,
- crescent …
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Green teaching material in the classroom: The role of microalgae
Are you a teacher and would you like to teach your students more about sustainability and alternative food sources in a practical way using microalgae? Then this online webinar is for you.
During the webinar you will, on the one hand, become …
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