Category: Physics

Is coal a energy? Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified as a nonrenewable energy source because it takes millions of years to form. What emerging technologies will make coal safer? Low-NOx burners allow coal-fired plants to reduce nitrogen oxide emissions by […]

Do inductors go bad? Inductor Failures Inductors often fail open due to corrosion or bad internal solder joints or the inductors fail shorted due to electrical overstress, bad magnet wire insulation, or potting issues. Some images of common inductor failures are shown below. How do you know if an inductor is bad? The inductor should […]

Does the brain sit in fluid? Being surrounded by CSF helps the brain float inside the skull, like a buoy in water. Because the brain is surrounded by fluid, it floats like it weighs only 2% of what it really does. If the brain did not have CSF to float in, it would sit on […]

What is the face of the clock called? The face of the clock is called a Dial. It has another name that is called a clock face or face dial. • Clock displays the time using dials and moving hands. Why is it called a clock? The word “clock” is thought to have originally derived […]

What are the different levels of a food pyramid called? There are six categories in the Food Pyramid: the bread, cereal, rice, and pasta group (grains), the fruit group, the vegetable group, the meat, poultry, fish, dry beans, eggs, and nuts group (protein), the milk, yogurt, and cheese group (dairy), and the fats, oils, and […]

What are the 8 steps in scientific method? That procedure is commonly called the scientific method and consists of the following eight steps: observation, asking a question, gathering information, forming a hypothesis, testing the hypothesis, making conclusions, reporting, and evaluating. How do you design an experiment to test a hypothesis? Experimental design means creating a […]

Can we still recover lost Biodiversities? Yes, we can recover it. But not the same as before. Maybe we will make a new one. By planting trees and cleaning the area. How does an ecosystem be able to recover from any disturbances? The major mechanisms of recovery in such ecosystems are primary and secondary succession. […]

Which cancer is known as the silent killer? Pancreatic Cancer: The Silent Killer. Which cancers are easiest to treat? What are the most curable cancers? Breast cancer. Prostate cancer. Testicular cancer. Thyroid cancer. Melanoma. Cervical cancer. Hodgkin lymphoma. Takeaway. Which cancers are the most painful? Primary tumors in the following locations are associated with a […]

How do I hide formatting in Word? Show or hide tab marks in Word Go to File > Options > Display. Under Always show these formatting marks on the screen, select the check box for each formatting mark that you always want to display regardless if the Show/Hide. button is turned on or off. Clear […]

What are the 5 phases of the moon? There are five phases of the moon: new, crescent, quarter, gibbous and full. How do you tell if the moon is getting bigger or smaller? When the bright part is getting bigger, the Moon is waxing. When it is getting smaller, the Moon is waning. When the […]