Which of these is an example of acceleration? A) a bicyclist turning around a corner
B) a car traveling south with its cruise control set
C) a bus traveling north at 25m/s
D) a helicopter waiting to take off

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

Write down two additional questions about earth's magnetic field that will make your presentation more informative.