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Video Biología
"Binary fission is a form of cell division used in the asexual reproduction of prokaryotes. It is much simpler than mitosis, consisting of DNA replication and cytokinesis." Fuente: BrightStormBinary F ...
Video Química
"Nuclear stability is what makes certain isotopes radioactive. An isotope is unstable if it has a ratio of protons to neutrons that isn’t within what is called the “band of stability.” Elements with a ...
Video Química
"There are two types of beta decay: beta-plus decay and beta-minus decay. In beta plus decay the nucleus emits a positron (a positively charged electron) and a neutrino (a proton that changed into a n ...
Video Física
"Nuclear reactions differ from other chemical reactions in that they involve changing the structure of the nucleus. Types of nuclear reactions include alpha decay, beta decay and gamma decay. Often pa ...
Video Física
"Bernoulli's Principle replaces Pascal's Principle and liquid pressure for flowing fluid. It states that as you increase a fluid's speed, you decrease its the pressure that fluid exerts. Stagnant flui ...
Video Química
"The noble gases are located in the last column on the right side of the periodic table and are some of the most stable elements in the periodic table. The noble gases include helium, neon, argon, kry ...
Video Química
"Beer’s Law states that a solution's absorbance of light at a certain wavelength is directly proportional to the concentration of that solution. Beer’s Law is mathematically expressed as M1/A1=M2/A2. ...
"The nitrogen cycle follows the movement of nitrogen in its different forms. Nitrogenous gas makes up 80% of the atmosphere and most nitrogen enters into the ecosystem via nitrogen-fixing bacteria, bu ...
"Newton's Law of Universal Gravitation says that everything with massive particle in the universe attracts all other massive particles. This force is called gravity. The force of gravity = universal g ...
"A barometer is a device used to measure pressure. Gauge pressure is the difference between a pressure and atmospheric pressure. Gauge pressure can be negative while total pressure cannot." Fuente: Br ...
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