When the moon passes between Earth and the sun it casts a shadow on? When the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth. When Earth passes directly between Sun and Moon, its shadow creates a lunar eclipse. Lunar eclipses can only happen when the Moon […]
Why does electronegativity increase as you go across a period?
Why does electronegativity increase as you go across a period? It is no wonder the electron pair gets dragged so far towards the chlorine that ions are formed. Electronegativity increases across a period because the number of charges on the nucleus increases. That attracts the bonding pair of electrons more strongly. How does electronegativity vary […]
What are 2 things required for work to be performed?
Whats does screw mean?
Whats does screw mean? The Oxford English Dictionary defines screw as “to tighten; to press or force by means of a screw; or to extort by pressure.” The most common image or gesture that one thinks of when first hearing this word usually deals with the repeated motion that one uses to tighten a screw […]
Do microwaves have radiation?
Do microwaves have radiation? Microwaves are a form of “electromagnetic” radiation; that is, they are waves of electrical and magnetic energy moving together through space. Electromagnetic radiation spans a broad spectrum from very long radio waves to very short gamma rays. But the most common consumer use of microwave energy is in microwave ovens. What […]
How can I get points off my license in Florida?
How can I get points off my license in Florida? The fastest and easiest way to reduce points is to take an online Basic Driver Improvement course. In Florida, you have the option to take this course once in a 12-month period, but no more than 5 times during your lifetime. All courses, whether in […]
What is the direction of acceleration of a particle in a uniform circular motion?
What is the direction of acceleration of a particle in a uniform circular motion? An object undergoing uniform circular motion is moving with a constant speed. Nonetheless, it is accelerating due to its change in direction. The direction of the acceleration is inwards. The animation at the right depicts this by means of a vector […]
Are radioisotopes used in MRI scans?
Are radioisotopes used in MRI scans? When used in medical practices, radioisotopes are used particularly for diagnosis and therapy of various medical conditions. In regards to diagnoses, the isotopes are used in conjunction with scanning machines such as MRI, CT scans, and others, to image and diagnose disorders that couldn’t otherwise be seen. What are […]
What makes a car run rough at idle?
What makes a car run rough at idle? A rough idling engine can be caused by spark plugs or spark plug wires. Spark plugs use the electrical current received from ignition coils to ignite the air/fuel mixture within the combustion chamber. If the damage is bad enough, you may also notice your engine running rough […]