How do you control the height of the flame? Adjusting the Flame. Use the needle valve to control the flame’s size. The needle valve on the bottom of the Bunsen burner adjusts the gas flow rate, which determines the height of the flame. More gas will create a larger flame, and less gas gives you […]
What force does a trampoline have to apply to a 55.0 kg gymnast to accelerate her straight up at 7.5 M s2 do not ignore gravity?
What are the negative effects of genetically modified food?
What are the negative effects of genetically modified food? It is known that the main concerns about adverse effects of GM foods on health are the transfer of antibiotic resistance, toxicity and allergenicity. There are two issues from an allergic standpoint. What is the difference between Non-GMO and GMO free? Organic food is typically pesticide-free, […]
Who looked at teeth scrapings and pond water under the microscope?
Who looked at teeth scrapings and pond water under the microscope? Leeuwenhoek would stare at samples through the sphere in bright daylight, and, one day beginning in 1674, viewing a drop of pond water, he observed things moving which he called “animalcules.” This was the first documented view of the living microworld, that there are […]
What are the maximum and minimum resultant of the two forces?
What are the maximum and minimum resultant of the two forces? The resultant of a number of forces acting on a body is the vector sum of all the forces acting on the body. The maximum resultant forces is found when all the forces have the same direction (parallel forces). The minimum resultant force is […]
What types of models is most likely to be used to predict earthquakes?
What types of models is most likely to be used to predict earthquakes? Many researchers have suggested that using computer models would be more advisable to use to predict the earthquake. What are 3 reasons models are used in science? Models are useful tools in learning science which can be used to improve explanations, generate […]
Does frozen CO2 melt?
Does frozen CO2 melt? The freezing (or sublimation) point of carbon dioxide is -78.5 degrees Celsius, or -109.2 degrees Fahrenheit. Above its triple point temperature, -56.6 degrees Celsius, or -69.8 degrees Fahrenheit, and under pressures greater than 5.11 atm, carbon dioxide melts. At what temperature does CO2 liquify? For example, the critical temperature for carbon […]
What happens to the electrical force between two charges if the distance between them is doubled?
What happens to the electrical force between two charges if the distance between them is doubled? According to Coulomb, the electric force for charges at rest has the following properties: Like charges repel each other; unlike charges attract. Therefore, if the distance between the two charges is doubled, the attraction or repulsion becomes weaker, decreasing […]
Are we made of stars?
Are we made of stars? Stars that go supernova are responsible for creating many of the elements of the periodic table, including those that make up the human body. ‘It is totally 100% true: nearly all the elements in the human body were made in a star and many have come through several supernovas. Is […]
What does the left and right side of the brain control?
What does the left and right side of the brain control? The left side of the brain is responsible for controlling the right side of the body. It also performs tasks that have to do with logic, such as in science and mathematics. On the other hand, the right hemisphere coordinates the left side of […]