Build Your Own Voltaic cell Level Elementary, Secondary What is voltaic cell? A voltaic cell is an electrochemical cell that uses a chemical reaction to produce electrical energy. The important parts of a voltaic cell: The anode is an electrode where oxidation occurs. The cathode is an electrode where reduction occurs. We can make an…
Flame reaction, Chemistry Experiment, Level Elementary Concept Some metals such as alkali metals and alkaline-earth metals show peculiar color flame when each metals are heated in the gas burner. This flame reaction is shown greatly and plainly. Materials spray (3), alcohol, lithium chloride, copper(Ⅱ)chloride potassium chloride, gas burner or candle. Procedure (1)Alcohol is put in…
How to make alum crystal Level Elementary Concept of alum crystal There are many pure substances which make the peculiar shape crystals when these become the solid. Let’s make the alum crystal which can do in short period. Materials required for alum crystal alums potash (KAl(SO4)212H2O)110g, string, straw, paper, thermometer, pan, plastics container, glass cup,…
Elements, Compounds and Mixtures Question 1: Say some names of mixtures in daily life. Question 2: Say some names of pure substances in daily life. Experiment 1 Materials: charcoal, filter paper, funnel Procedure: Fill half a glass with water. Put one table spoons of carbon activated (charcoal) and stir. Take a circular filter paper….
What is oxygen? oxygen is a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Oxygen forms about 20 percent of the earth’s atmosphere, and is the most abundant element in the earth’s crust, mainly in the form of oxides, silicates, and carbonates. How to Make…
Build Your Own Fruit electric cell Concept It is possible to make electricity with the fruit and the vegetable. A small current makes the lighting of light emitting diode (LED). Materials Fruit or vegetable (grapefruit, lemon, orange, and radish, etc.), coppers and zinc plates, light emitting diode (LED), conducting wire, clips, and sandpapers Procedure (1)The…
How can electricity be produced by a lemon? A lemon battery is a simple battery made for the purpose of education. Typically, a piece of zinc metal (such as a galvanized nail) and a piece of copper (such as a penny) are inserted into a lemon. The lemon contains citric acid, which will cause the…
Chemistry Experiment: Production of Carbon Dioxide : Carbon dioxide is a naturally occurring chemical compound composed of 2 oxygen atoms each covalently double bonded to a single carbon atom. Materials & Tools Vinegar, Baking Soda, Ice cream Stick, Empty Plastic Bottle, Infusion tube, Scissors Spirit Lamp, Match Box, Large Iron Nail, Lime Water Test Tube(3)…
Decolorization of Iodine Solution by Match Heads Chemistry fun experiment students will learn and enjoy the Decolorization Iodine Solution by Match Heads. Materials & Tools A Bottle of Water, Iodine Tincture, Straw, Jam Bottle with Lid, Metal Wire, Scotch Tape, Scissors, Match Sticks Procedure: Add5-6 drops of iodine tincture to the water till it becomes…
Electrolysis of water experiment Electrolysis of water is the decomposition of water (H2O) into oxygen (O2) and hydrogen gas (H2) due to an electric current being passed through the water. Material & Tools for electrolysis of water experiment 20ml Plastic syringe,10mL Plastic syringe (2),Infusion tube, Empty plastic Bottle, Connecting Wire, Super Glue, Colored NaOH…
Biology Experiment Geotropism in Radicles. The response of radicles to unilateral gravity reparation Outline Pea seedlings with straight radicles are pinned in two containers so that the radicles are horizontal. One container is rotated on a clinostat. Advance preparation and materials Seedlings. Three or four days before the experiment soak the peas overnight and on…
Download Biology Experiments BIOLOGY EXPERIMENTS FOR CHILDREN – ETHELE. H (3.1 MB PDF) SCIENCE ACTIVITY BOOK http://paksc.org/pk/science-experiments/biology-experiments www10.wwwconference.org/cdrom/papers/pdf/p513.pdf www.ableweb.org/volumes/vol-6/10-miller.pdf Biology Experiments www.ableweb.org/…umes/vol-6/10-miller.pdf respiration stimulus and response Semi permeable membrane and osmotic pressure Fruit Charcoal fossil in marble extraction of dna property of enzyme