What is difference between hypothesis and prediction? Difference Between a Hypothesis and Prediction Hypothesis and prediction are both a type of guess. However, the hypothesis is an educated, testable guess in science. A prediction uses observable phenomena to make a future projection. What is the relationship between Type 1 and Type 2 error? In statistical […]
Is fracking good or bad?
Is fracking good or bad? In the U.S. alone, around 13 million metric tons of methane is released annually from natural gas wells alone. Fracking well sites are the source of a number of other air pollutants, which are less common than methane, but arguably more harmful to local populations. Where is fracking banned? Four […]
What are the steps of observation?
What are the steps of observation? How to Conduct Observations for Research Identify Objective. Determine what you want to observe and why. Establish Recording Method. Develop Questions and Techniques. Observe and Take Notes. Analyze Behaviors and Inferences. What is observation in research study? Observation is a systematic data collection approach. Researchers use all of their […]
Which is the best examples of immiscible liquids?
Which is the best examples of immiscible liquids? Immiscible liquids are those which won’t mix to give a single phase. Oil and water are examples of immiscible liquids – one floats on top of the other. What is the best example of miscible liquids? Ethanol and water provide a good example of two liquids which […]
Did medieval archers use tabs?
Did medieval archers use tabs? English archers usually shot with two fingers and wore a tab that was more like a tied on glove, or an actual glove. Source: Social and Military History of the Longbow, by Hardy. Native Americans generally did not, but many groups used modified pinch grips. Did medieval archers use gloves? […]
Which metal is a poor conductor of electricity?
Which metal is a poor conductor of electricity? Bismuth and tungsten are poor conductors of electricity. Can diamonds stop a bullet? Pound for pound, diamonds are not very good at stopping bullets. The energy absorbed by diamond shattering is much less than the energy absorbed by metals deforming. A plate of steel would be better […]
What does the double ended arrow indicate in the following chemical equation?
What does the double ended arrow indicate in the following chemical equation? The double-ended arrow in the chemical equation indicates a reversible reaction. A reversible reaction is a reaction in which the conversion of reactants into products and the conversion of products into reactants can happen simultaneously. What does the arrow in a chemical reaction […]
How do you hand signal a right turn?
What is the best definition for luminosity?
What is the best definition for luminosity? 1a : the quality or state of being luminous. b : something luminous. 2a : the relative quantity of light. b : relative brightness of something. How is luminosity calculated? Luminosity equation. Absolute and apparent magnitude. Calculating luminosity: an example….Luminosity equation σ is the Stefan Boltzmann constant, equal […]
Which element has a mass of 24?
Which element has a mass of 24? Chromium Why are lanthanides Coloured? Lanthanides or more precisely lanthanides ions are coloured mainly because of their partly filled f orbitals. This allows a certain wavelength from the visible region of the spectrum to be absorbed which leads to the formation of f-f transition. Is lanthanides are Colourless? […]