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Scientific Spelling: What About?
This lesson briefly and visually explains what scientific writing is and why it makes sense. You can also download the lesson as a PDF file by clicking the PDF icon at the top right.
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Significant figures: What about?
This lesson explains briefly, but visually, what significant numbers are and how to determine the number of significant numbers of a measurement or outcome. You can download the lesson as a PDF file by clicking the PDF icon at the top right.
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Prefixes: What about?
This lesson explains what unit prefixes are and why we need them. She explains how to remove, add and convert prefixes. Also what happens to units that have an exponent (cubic and square).
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Powers of 10: What about?
This lesson explains why we need powers of 10 and how to calculate with them. The concepts are explained very visually using colors etc. You can also download the lesson as a PDF file by clicking the PDF icon at the top right.
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Quantities and units: What about?
In this lesson I will explain in general what quantities and (SI) units are exactly and why we need them. I give an overview of the main quantities, together with their SI unit. You can download the lesson as a PDF file by clicking the PDF icon at …
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Downloadable resource (4)Teacher, Other -
A force: What about?
In this lesson I explain what a force is in general, what kinds of forces exist and what effects it can have, each time with a clear illustration. You can use all illustrations for free in your own lessons. You can also download the lesson as a PDF …
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Power as a vector: What about?
In this lesson I explain with many illustrations how a force is vectorial, and what exactly that means. You can use all illustrations for free in your own lessons and you can download the lesson as a PDF by clicking on the PDF icon in the top right …
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Electrical circuits: Practice material
Theory and practice material for U = I x R in English with answers at the bottom of the page.
Downloadable resource (10)Teacher -
The ideal gas law: Related laws
Three related laws are logically derived from the general gas law. This is called deduction. From a historical point of view, universal law came into being as a generalizing combination of the three separate laws. This is called induction. This …
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Mass density: Conversion of unity
Step-by-step plan and exercises to convert the unit of mass density into another unit.
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Quantities, units and mass density: Curriculum
Curriculum with exercises and tests on:
- quantities and units,
- converting units,
- mass density.
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Issues: Step-by-step plan
Step-by-step plan to solve mathematical and scientific problems.
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