How much does a balloon shrink in the freezer? You should have seen that when you put the balloon in the freezer, the distance between the lines decreased a little, from about two and a half inches to two and a quarter (or by a quarter inch, about 10 percent). The balloon shrank! What happens […]
How do they measure distance in Star Wars?
How do they measure distance in Star Wars? The units of distance measurement employed in the STAR WARS galaxy are metric, based on the metre. In the A New Hope novel, for instance, Darth Vader is described as being over two metres tall, lightsabre beams are a metre long, and womp-rats are two or three […]
How long did the Quebec blackout last?
How long did the Québec blackout last? 9 hour How hot is the sun’s plasma at its core? 27 million degrees Fahrenheit What is the temperature at the sun’s core? about 27 million degrees Farenheit What are scientists who study the sun called? Solar physicists specialize in the study of the Sun. These scientists make […]
How do I get motivated?
How do I get motivated? Ways to stay motivated Regularly review your goals and progress. Continue to set new goals. Keep the momentum up. Find mentors – a mentor is someone who is experienced in the habit you want to change. Surround yourself with positive people. Use exercise as one of your daily goals to […]
How is a hydrothermal vent formed?
How is a hydrothermal vent formed? Hydrothermal vents are the result of seawater percolating down through fissures in the ocean crust in the vicinity of spreading centers or subduction zones (places on Earth where two tectonic plates move away or towards one another). The cold seawater is heated by hot magma and reemerges to form […]
What is the density of an object?
What is the density of an object? An introduction to density Density is the mass of an object divided by its volume. Density often has units of grams per cubic centimeter (g/cm3). Remember, grams is a mass and cubic centimeters is a volume (the same volume as 1 milliliter). What is properties of density? Density […]
What is current ratio in transformer?
What is current ratio in transformer? The current in the windings of a transformer is inversely proportional to the voltage in the windings. Since the voltage ratio is equal to the turns ratio, we can express the current ratio in terms of the turns ratio, as in below Equation. … What is magnetising current test […]
What is the difference of fill in and fill out?
What is the difference of fill in and fill out? * fill in – “in” means to fill (write) something “in that space”. So it’s appropriate for “the blank”, which is a location. * fill out – “out” means “completely”, so it’s appropriate for something more substantial than a single entry, such as a form. […]
Why did so many died in Katrina?
Why did so many died in Katrina? Most deaths were caused by acute and chronic diseases (47%), and drowning (33%). The disease death rate was higher in Orleans Parish; the drowning death rate was higher for St. Bernard Parish. Moreover, in Orleans Parish, men were 1.47 times more likely to die than women. Most victims […]
Do electrons generate magnetic fields?
Do electrons generate magnetic fields? The electrons also rotates or spins around its own axis. The spinning of electron produce a magnetic dipole. If the majority of electrons in the atom spins in the same direction, a strong magnetic field is produced. The direction of the electrons spin determines the direction of magnetic field. Can […]