October 2023 - Page 2 of 4 - Study notes, tips, worksheets, exam papers

Define thermal convection

31/10/2023 at 12:46 pm (last edited 31/10/2023 at 12:46 pm)

Thermal convection is the process of thermal energy transfer by means of currents in a fluid.

31/10/2023 at 12:45 pm (last edited 31/10/2023 at 12:45 pm)

Thermal conduction is the process of thermal energy transfer without any flow of material medium.

31/10/2023 at 12:41 pm (last edited 31/10/2023 at 12:41 pm)

The Kinetic Particle Theory assumes that all matter is made up of tiny, discrete particles that are in constant and random motion.

31/10/2023 at 12:39 pm (last edited 31/10/2023 at 12:39 pm)

Gravitational potential energy is the energy a body has due to its height above ground.

31/10/2023 at 12:38 pm (last edited 31/10/2023 at 12:38 pm)

Kinetic energy is the energy a body in motion possesses.

31/10/2023 at 12:36 pm (last edited 31/10/2023 at 12:36 pm)

Energy is the ability to do work.

31/10/2023 at 12:34 pm (last edited 31/10/2023 at 12:35 pm)

Power is the rate of work done, or the rate of energy conversion.

31/10/2023 at 12:33 pm (last edited 31/10/2023 at 12:33 pm)

Work done is the product of a force, and the distance moved by the body, in the direction of the force.

30/10/2023 at 10:08 pm (last edited 30/10/2023 at 10:08 pm)

Atmospheric pressure is the force per unit area exerted by an atmospheric column of air above a particular point.

Atmospheric pressure at sea level (1 P_atm) is:

30/10/2023 at 9:42 pm (last edited 30/10/2023 at 9:42 pm)

Pressure is force acting perpendicularly per unit area of a surface.