At what temperature does liquid water change into a gas

Which question could Not be answered by using the scientific method? Do black cats eat more than white cats? What am I thinking right now? Which has more calories, soda or milk? Why does the tide change during the day?

What does it mean if the coefficient of friction is high or if it's low?

If a certain mass of mercury has a volume of 0.002 m^3 at a temperature of 20°c, what will be the volume at 50°c

According to the graph, what is the motorcycle's average velocity?

When you whirl a tin can in a horizontal circle overhead, the force that holds the can in the circular path acts in a direction inward outward either inward or outward parallel to gravity

How much of each food dollar goes to the producer

What is the effect of a magnetic field on a stationary electric charge on a moving electric charge?

A ball is thrown upwards with an initial velocity of 25. o m/s, what is the velocity of the ball at 11.9 m from the ground?

Can rocks be weathered by wind and chemicals in the air

1. if you rub a neutral glass rod with silk, the silk acquires a negative charge. if you rub a neutral glass rob with a rubber rob, the rubber rod acquired a negative charge.