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Convert volume measures
Students practice reducing with volume measures.
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Add, subtract, multiply and divide up to 10,000
You practice adding, subtracting, multiplying and dividing up to 10,000.
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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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Split to 10
You practice dividing up to 10. Enter the number and you will immediately see whether your answer is correct or incorrect.
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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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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: 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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Gross, net, tare
Students indicate what gross, net and tare are. They also solve some problems where they calculate the gross, net or tare weight.
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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: Concepts 3
This exercise covers the following concepts, among others:
- geographical latitude;
- celestial sphere;
- horizon coordinates;
- obliquity;
- zenith;
- glacial;
- ...
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