Introduction At this point of time, in this age of technology and futurity, we tend to keep on using products, materials and inventions which come from non-renewable sourcessources such as oil, petroleum, fuel, natural gas, etc. For example, in cooking, we need heat to cook the food, and to have that heat, we need a tank of Liquefied Petroleum Gas LPG. That is the reason why our group came up to an idea of making a cooking equipment which will not need natural gas or LPG for heat and for cooking.
Civil engineering Introduction Have you ever walked, ridden your bike or driven in a car over a long bridge? Bridges have to be sturdy enough to support the weight of many people and cars without collapsing. One important part of designing a bridge is selecting the right materials. Another is making sure those materials comprising it are shaped in a way to make them strongest.
In this project you will build a simple "bridge" using materials you already have on hand—paper and tape! Can you build a miniature bridge that doesn't collapse?
Background If you take a piece of paper and try to bend or flex it, it will bend very easily. How hard it is to bend a material is referred to as the material's bending stiffness. A stiffer material will be harder to bend. But if you roll the paper tightly into a tube or fold it into an accordion shape, it becomes much harder to bend.
Why does this happen? It is still the same material, but its shape also affects how easily it bends. Both the bending stiffness and the shape are very important for civil engineers to consider when designing bridges. Lots of cars drive over a bridge all at once, and cars are very heavy.
If the bridge's bending stiffness is not high enough, it could sag under the weight of all the cars or even collapse!
So, whether a bridge is made out of stone, wood, steel or another sturdy material, civil engineers still have to carefully consider its shape. Materials Four thick books such as school textbooks, cookbooks, etcetera that are roughly the same thickness At least six pieces of construction paper Scotch tape Ruler or measuring tape Preparation Create two stacks of two textbooks each.
Place them just under two feet apart from each other on a table, floor or other flat surface. Line up two pieces of paper end to end, so the short edges are overlapping just slightly by about a quarter of an inch.
Use long strips of Scotch tape to bind the pieces of paper together on both sides. These two pieces of paper will make one "bridge. Procedure Take one of your taped-together bridges and lay an end on top of each pile of textbooks, with about half an inch of overlap.
You might need to slide your textbooks closer together or farther apart a bit.
What happens to the paper? Does it stay up in the air or sag down under its own weight? Now take your next taped-together bridge. Tightly roll it into a long tube and use a few pieces of tape to hold the tube shut.1 HOLLOW BLOCKS FROM PLASTIC WASTES An Investigatory Project Presented to the Faculty and Staff of SMU Grade School during the Local Science Fair In Partial Fulfillment.
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Investigatory project Essay - Part 7 Required materials All purpose flour Water Jar with a Lid Spoon Brush Newspaper Estimated Experiment Time Less than 5 minutes to make the glue, about 15 minutes for it to dry (when applied) Step-By-Step Procedure 1 - Investigatory project Essay introduction.
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Baking Soda Science Projects. Search the site GO. Science. Chemistry Activities for Kids Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method This is a fun project that demonstrates how vinegar and baking soda produce carbon dioxide gas bubbles. of Investigatory Project of a glu is “Cyanoacrylates”.
Glue is the chief topic in this investigatory project. Glue is widely used worldwide. From schools to offices, from homes to buildings, glue is always present to help in individuals in their daily lives.