Free PDF Chemistry Worksheets To Download or Print This is a downloadable soft colored periodic table of the elements which shows atomic number, element symbol, element name and atomic mass. Todd Helmenstine This is a collection of chemistry worksheets in pdf format. The answers to the questions are available on separate worksheets so you can fill them out and then check your work. Please feel free to download these to your computer, print them, and use them as hand-outs. Printable Periodic Tables Here are some printable periodic tables to help you out, also in pdf format. Printable Scientific Method Flow Chart This is a flow chart of the steps of the scientific method, available as a jpg, png, or pdf file: Also available is a PDF of a pie chart of the elemental composition of the human body. Adobe Acrobat Reader is needed to open and read pdf files (free download). Stay up to date on the latest chemistry news, learn chemistry, and get instructions for chemistry projects.
Encyclopedia of Earth Chemistry for IB, GCSE, A-level, IGCSE and AP. Best Online chemistry Tutor. TeacherExpt:Experiments with hydrogels – hair gel and disposable nappies - Learn Chemistry Wiki From Learn Chemistry Wiki A superabsorbent polymer In this pair of activities students investigate 'hydrogels – polymeric smart materials. Lesson organisation To do all the practical work takes about 30 mins. If time is available, it is worth considering combining this experiment with another experiment with hydrogels, using plant water crystals. It is a good idea to ask students to make detailed observations of each part of the experiment. Apparatus and chemicals Eye protection Hair gel Each working group requires: Hair gel (see note 1) SaltPetri dish or lid Teaspoon or similar – an ordinary spatula is a bit small Disposable nappies (diapers) Each working group requires: A disposable nappy (see note 2) Scissors A large ice cream tub or similar container (see note 3) Dessert spoon or similar measure Stirring rod Large beaker or plastic tub to hold at least 600 cm3Plastic gloves for those with sensitive skin Access to: Distilled water, about 500 cm3 per group (see note 4) Salt Technical notes
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Practical Chemistry This website is for teachers of chemistry in schools and colleges. It is a collection of experiments that demonstrate a wide range of chemical concepts and processes. Some of the experiments can be used as starting-points for investigations or for enhancement activities. Chemistry is a practical science. We have published a new set of resources to support the teaching of practical science for Key Stages 3-5.
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