What happens in the upper mantle? The upper mantle begins just beneath the crust and ends at the top of the lower mantle. The upper mantle causes the tectonic plates to move. Crust and mantle are distinguished by composition while the lithosphere and asthenosphere are defined by a change in mechanical properties. Why is the […]
What is the relationship between vapor pressure and temperature?
What is the relationship between vapor pressure and temperature? The vapor pressure of a liquid varies with its temperature, as the following graph shows for water. The line on the graph shows the boiling temperature for water. As the temperature of a liquid or solid increases its vapor pressure also increases. Conversely, vapor pressure decreases […]
What is a good graph?
How do you start writing a hypothesis?
How do you start writing a hypothesis? Developing a hypothesis Ask a question. Writing a hypothesis begins with a research question that you want to answer. Do some preliminary research. Formulate your hypothesis. Refine your hypothesis. Phrase your hypothesis in three ways. Write a null hypothesis. What is a good sentence for hypothesis? Their hypothesis […]
Is aluminum hard to machine?
Is aluminum hard to machine? Fortunately, compared with other construction materials, aluminum is relatively easy to machine. It responds well to most fabrication methods, including milling, drilling, cutting, punching and bending. What is the lowest grade of aluminum? Grade 1050 aluminium Is aluminum toxic to the human body? Oral exposure to aluminum is usually not […]
Does equilibrium constant depend on pressure?
Does equilibrium constant depend on pressure? Equilibrium constants are not changed if you change the pressure of the system. The only thing that changes an equilibrium constant is a change of temperature. If there are the same number of molecules on each side of the equation, then a change of pressure makes no difference to […]
Which system of Signalling is used on a single line?
Which system of Signalling is used on a single line? Electric token To provide for this, the electric train token system was developed. Each single-line section is provided with a pair of token instruments, one at the signal box at each end. What is single line and double line? A double-track railway usually involves running […]
Do Eye Drops help with eye strain?
Do Eye Drops help with eye strain? Over-the-counter artificial tears can help prevent and relieve dry eyes. Use them even when your eyes feel fine to keep them well-lubricated and prevent a recurrence of symptoms. Your doctor can suggest which eyedrops might be best for you. What foods help eye strain? Ten best foods for […]
What are some the practical applications of science in your life?
What are some the practical applications of science in your life? Science is involved in cooking, eating, breathing, driving, playing, etc. The fabric we wear, the brush and paste we use, the shampoo, the talcum powder, the oil we apply, everything is the consequence of advancement of science. Life is unimaginable without all this, as […]
How dangerous is the luge?
How dangerous is the luge? With speeds up to 90 mph, luge is one of the most dangerous sports in the Olympic Games. Luge is similar to skeleton but with athletes sliding down with their face up and feet first. This high-speed sport requires good upper-body strength and efficient navigation of the course. What is […]