best model for science exhibitions
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6. Make a solar cell
A solar cell is a device for converting energy from the sun into electricity. The high-efficiency solar cells you can buy at Radio Shack and other stores are made from highly processed silicon and require huge factories, high temperatures, vacuum equipment, and lots of money. Visit Make Solar Cell
5. Working model of science project "cotton candy machine"
Working model of science project "cotton candy machine"
Working model of science project "cotton candy machine"
Cotton candy has special fame at a worldwide level. it is one of the oldest and popularized thing among all. kids love it more than elders. We can make a cotton candy machine at home by using simple household material.
When the sugar heated, it becomes liquid caramel and then burns out if heating continues. if liquid caramel is pushed out from tiny holes to the outside by the centrifugal force when the container continuously rotates, the cotton candy is produced by the recrystallization of it in the form of minutely thin sugar strands. Try To build a cotton candy machine