How accurate is big bang theory? Surprisingly, the “science talk” in “The Big Bang Theory” is very accurate. David Saltzberg is the man behind the science in “The Big Bang Theory”. Physics students will sometimes write the show saying that a whiteboard equation is incorrect, but Saltzberg’s equations have never been disproven. What did not […]
What is the heaviest alkali metal?
What is the heaviest alkali metal? Francium (Fr), heaviest chemical element of Group 1 (Ia) in the periodic table, the alkali metal group. How is silver found in nature? Silver is found generally in lead ores, copper ores, and cobalt arsenide ores and is also frequently associated with gold in nature. Most silver is derived […]
Which mineral is not ore?
Which mineral is not ore? So, clay remains only as mineral and not as ore of aluminum. Which minerals do not contain metal? In their inorganic chemical formula, non-metallic minerals do not contain metal elements. Clay, Diamond, Dolomite, Gypsum, Mica, Amethyst, and Quartz, etc. are some common examples. Is gold a soft mineral? Physical feel: […]
Which lead salt is most soluble in water?
Which lead salt is most soluble in water? Lead sulfate is insoluble in cold water whereas most of the sulfates are soluble in cold water. Lead chloride is also insoluble in cold water but is soluble in hot water. Is lead acidic or basic? Lead exhibits the oxidation state +2, corresponding to loss of the […]
Can the human body be magnetized?
Can the human body be magnetized? Today, two hundred years later, we know that the human body is indeed magnetic in the sense that the body is a source of magnetic fields, but this body magnetism is very different from that imagined by Mesmer. Is the brain magnetic? Here’s the first map of the magnetic […]
What are the top 10 science fair projects?
What are the top 10 science fair projects? Top Ten Most Popular Science Projects Baking Soda and Vinegar Volcano. This classic project uses baking soda, vinegar and red food coloring to simulate a volcanic eruption. Mentos and Soda Fountain. Invisible Ink. Crystal Growing. Vegetable Battery. Wind Energy. Water Electrolysis. Plant Science. How can I win […]
What animals are extinct due to deforestation?
What animals are extinct due to deforestation? Amazing Extinct Animals Because of Deforestation It takes about 75 million trees annually to make enough copy paper to keep American offices operating. Only about 30 percent of that paper is recycled. Pygmy Racoons. Scientists estimate that only 192 mature pygmy raccoons remain in the world. Darwin’s Fox. […]
What is strain and its unit?
What is a composition of transformation?
What is a composition of transformation? A composition of transformations is a combination of two or more transformations, each performed on the previous image. A composition of reflections over parallel lines has the same effect as a translation (twice the distance between the parallel lines). Which triangle shows the final image quizlet? Which triangle shows […]
Why is Cobalt-60 so dangerous?
Why is Cobalt-60 so dangerous? The US Environmental Protection Agency describes cobalt-60 as the “most common radioactive isotope” of the element cobalt, which occurs naturally in various minerals. This isotope is particularly nasty and potentially deadly because of the cancer-causing gamma rays it emits — gamma 1.33 and 1.17 to be precise. What are the […]