A chemical change in a reaction of acids and bases can be indicated by a change in ... color? Size? Shape? Volume?

Why does a compass not respond when held near a wire carrying alternating current? a. The field changes direction 120 times a second, which is too fast for the compass needle to respond. b.

A skydiver slows down from 65 m/s to 5 m/s by opening the parachute. If this takes 0.75 seconds, what is the skydiver's acceleration?

The hormone that controls adult male traits is called

Which statement is true about the four atoms shown in figures A, B, C, and D? Four atoms. Figure A has 3 electrons, 3 protons, 3 neutrons. Figure B has 1 electron, 3 protons, 4 neutrons. Figure C has 4 electrons, 4 protons, 3 neutrons.

A car traveling at 26 m/s starts to decelerate steadily. It comes to a complete stop in 5 seconds. What is its acceleration?

Which si prefix means one one-hundredth (1/100) ?

A sled is being pulled to the left by 5 dogs with 6 newtons of force. Find the net force

Objects become electrically charged as a result of the transfer of

How many electrons do most atoms seek to have on their valence shell? Using this information, explain why certain elements are unreactive and why other elements are reactive.

Which of the following statements is good advice to prevent becoming overly emotional? A. There is no way to prevent becoming overly emotional. B.