What is the movement of heated materials upward and the movement of cooled materials downward called?

The mechanical energy of an object equals its A. chemical energy plus its nuclear energy. B. kinetic energy plus its potential energy. C. nuclear energy. D. thermal energy.

As she starts to move upward, the student pushes down on the surface with a force that is greater than her weight. What can you say about the net force on her? A. The net force is zero. B. The net force is directed upward. C.

Moving from 0m/s to 25m/s in 8.0s equals an average acceleration of ...

A honey bee flies in circles around a flower. If the velocity of the bee is 670 cm/s and the radius of the circular path is 2.0 cm, what is the centripetal acceleration of the honey bee?

Which of the following statements has NOT been indicated by research on food and hunger behaviors? A) Forcing children to eat specific foods often has a negative effect on food preference.

Is physical science part of physics?

Which statement is true about the atomic mass?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus