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Stack #4596168

QuestionAnswer
Reference Point A place or object used for comparison to determine if something is in motion
Distance SI Unit Meter (measures the length of a path between two points)
Speed The distance an object moves per unit of time.
Average Speed: Calculate the total distance traveled by the total time.
Instantaneous Speed The speed at which an object is moving at a given instant in time.
Velocity Speed in a given direction. If you know the speed and direction of an object, then you know the velocity.
Graphing Motion Plotting time on the x-axis (horizontal axis), and distance on y-axis (vertical axis).
Slope is the steepness of the line, shows how fast one variable changes in relation to the other variable. Slope= Rise/Run
Power: The rate at which energy is transferred, or the amount of energy transferred in a unit of time. Power= Energy Transferred/Time
Kinetic Energy The energy an object has due to its motion.
Potential Energy The energy an object has because of its position, also the internal stored energy of an object, such as energy stored in chemical bonds.
Gravitational Potential Energy Potential energy related to an object’s height
Elastic Potential Energy The energy that can be associated with object’s that can be compressed or stretched.
Mechanical Energy The form of energy associated with the motion, position, and shape of an object
Nuclear Energy The energy stored in the nucleus of an atom.
Thermal Energy The total potential and kinetic energy of the particles in an object.
Electrical Energy The energy of electrical charges.
Electromagnetic Energy The form of energy that travels through space in waves
Chemical Energy The potential energy stored in chemical bonds.
Energy Transformations: a change a change in energy from one to another.
Law of the Conversation of Energy Energy cannot be created or destroyed just changed from one form to another.
Passive Transport When materials go in and out of the cell WITHOUT using energy.
2 types of passive transport: 1. Diffusion: The movement of molecules from an area of high concentration to an area of low concentration. 2. Osmosis: The movement of WATER molecules across a selectively permeable membrane.
Selectively permeable means some substances can cross the membrane while others cannot.
Active transport When materials go in and out of the cell using energy.
Moving Large Particles: 1. Endocytosis: The cell changes shape and engulfs the particle. 2. Exocytosis: The reverse process, which allows large particles to exit the cell.
Created by: user-2006837
 

 



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