The cost, density and resistivity of copper, steel and aluminium

Which element would you expect to have a higher electronegativity than nitrogen (N) ? fluorine (F) cesium (Cs) boron (B) phosphorous (P)

Mr. Smith challenged his students to create an electromagnet that will pick up more paper clips than anyone else in the class. Timmy is very excited and begins to collect all of the necessary materials.

A student performs a reaction twice. In the second trial, he increases the temperature of the reaction and notes that the reaction happens more quickly. The student concludes that this means the reaction was endothermic.

People in the United States know that water boils at 212 Degrees Fahrenheit. In Europe, people know that water boils at 100 degrees Celsius. Is the water in the U. S. different than the water in Europe? What explains the two different temperatures

Because the Gulf Stream carries warm water up from the Gulf of Mexico, what effect does it have

A car travels 100 meters in 4.0 seconds. find its average velocity.

What force must he used to do 224 joules of work on an object over a distance of 32 meters

If my science fair project is about if girls can see through illusions better than boys, what would my background research be about?

What is another hypthesis that might expain hy hummingbirds seem to prefer red flowers

Why dont animal cells need chloroplasts?