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Number knowledge up to 100,000
With this online exercise you practice your knowledge of numbers up to 100,000. You give the value of a digit in a number, you add units, tens or hundreds to a specified number and you indicate the largest number.
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Spelling from theme 8 - De Taalkanjers 5
With this quiz you practice the spelling of the words from theme 8 of the De Taalkanjers 5 method.
You will practice on the following spelling difficulties, among others:
- conjugate verbs;
- plurals;
- diminutives;
- words with th.
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Elections: Quiz
View the Karrewiet report on the elections . You then solve multiple choice questions about the broadcast.
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Muscles: Construction and function
The muscles: in this lesson video we discuss the structure, function and operation of the muscles.
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Joints: Types and function
In this lesson we discuss the function and types of joints in the human body:
- ball joint,
- roller joint,
- elliptical joints,
- saddle joint,
- hinge joint,
- plane joint.
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Skeleton: Construction and function
A short lesson video explaining the basics of the skeleton, structure and function.
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Biomolecules
Biomolecules: a brief but complete overview of the different biomolecules in the human body:
- saccharides or sugars;
- lipids or fats;
- proteins or proteins;
- DNA and RNA.
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Setting up reaction equations: Guided practice
Do you have difficulties drawing up chemical reaction equations? These guided exercises will help you arrive at the correct reaction equation quickly and easily.
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Drawing up a reaction equation: Tips
Difficulties with formulating reaction equations? These tips will help you or your students to prepare reaction equations easily and correctly. A separate video has been developed for the exercises.
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Karyogram and cell cycle
Have you ever wondered how scientists study the chromosomes in our cells? Or how they can detect abnormalities in the genetic material? Today we delve deeper into the world of the karyogram, a powerful tool that provides us with insight into …
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Reaction patterns between inorganic substance classes: In-depth
Here you will get an overview of the different reactions that can take place between the inorganic substance classes. In this lesson we will cover the extended reactions, so it is recommended that you first review reaction patterns between inorganic …
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Reaction patterns between inorganic substance classes
Reaction patterns or coherence between the inorganic substance classes: an overview of the different reactions that can take place between the inorganic substance classes. In this lesson we will discuss the five basic reactions:
- metal + oxygen gas …
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