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How To Make 3D Hologram Projector 3D Hologram Projector is a physical object that uses principles of reflection, refraction and diffraction to form a 3D image in mid air. The 3D image that appears to be an illuminated object can be seen with normal eye and indistinguishable from actual object. An easy hologram can be constructed…
Activity about Electromagnet. What is an electromagnet? How can you made? Materials needed 1m (1 yd.) of 22 gauge insulated copper wire stripped on both ends Lantern batter large iron nail no longer than 10 cm (4 in.) paper clips Procedure 1. In an activities 8.9 and 8.10, we learned that when an electric current…
Today I was studying about flux change and electromagnetism in which, I came to know that there is a simple project related to this. so I checked that was a to make a electromagnet. That was very easy and I made it in 5 minutes .it is really awesome you can check it at below…
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…
You will need two small, light pulleys scrap wood dowel string paper pin or nail Use construction paper or poster paper for the pinwheel. Assemble as shown. Demonstrate by blowing fan at pinwheel, showing that this windmill performs work by turning the pulleys. Explain that wind power may soon be an important energy source
Science Fair Project How to keep an apple from turning brown: why do apples turn brown when exposed to air? The chemical reaction causes an apple, and other fruits and vegetables to turn brown because of Enzymes that are the proteins which react with its environment, changing the color of an apple or other to…