Laboratory techniques facts for kids
Laboratory techniques are the techniques of handling the various pieces of apparatus.
Contents
Basic techniques
Handling of chemicals
Ways to dissolve a solid in a liquid or to mix two liquids in a test tube:
- Shake the test tube gently
- Stir with a glass rod
- Tap the bottom of the test tube with your finger
- Pour the contents to and fro between two test tubes
- Stopper the test tube and shake
Heating techniques
- Hold the material over a naked flame
- Put the material in a water bath
- Use a type of hairdryer called a "heat gun" to blow hot air at the material.
Collecting gases
- Upward and downward delivery
- Over water
- Gas syringe
Drying substances
- Leave the mixture at room temperature to evaporate on its own.
- Put the substance in an "oven" which heats it gently and removes water vapour.
Smelling gases
- Never smell a gas directly.
- Waft a gas towards yourself if it is reasonably safe to smell it.
- Never smell a gas that is toxic or otherwise dangerous.
Testing gases
Images for kids
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A medical laboratory run by the Graduate Institute of Cancer Biology of China Medical University (Taiwan)
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Molecular Biology Technics Laboratory at Faculty of Biology of Adam Mickiewicz University in Poznan
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The Schuster Laboratory, University of Manchester (a physics laboratory)
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Laboratory, Brecon County School for Girls
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Geneticist Riin Tamm wearing protective lab coat
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Chemistry laboratory of the 18th century, of the sort used by Antoine Lavoisier and his contemporaries
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Thomas Edison in his laboratory, 1901
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A laboratory of the Chemistry Department of the University of Helsinki on September 23, 1960
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A laboratory in the 1970s
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Chemical laboratory in Mahidol University International College since 2009
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Early 2000s style of counter in Chemical Laboratory, Mahidol University International College, Thailand
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Laboratory for organic Chemistry at the University of Applied Science Aachen, Campus Jülich, Germany
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See also
In Spanish: Laboratorio para niños
