NAME: ________________________
← Chapter 6 Physical Science Test
5 Written Questions
5 Matching Questions
 cooling
 elastic potential energy
 elastic collision
 heat
 1/2 mv squared 0.5 x mass in kg x the square of speed in meters per second
 a The movement of thermal energy into or out of a system.
 b Occurs when two objects collide and rebound so that the sum of their momentums and the sum of their kinetic energies are the same before and after the collision.
 c What is the formula for kinetic energy KE = ? and what do the variables mean?
 d Loss of thermal energy.
 e Energy produced in a system or material affected by an elastic force.
5 Multiple Choice Questions
 Energy of sound waves or particle oscillations; must have a medium to be transmitted.
 Consists of both potential and kinetic energy.
 The ability to do work.
 The sum of the kinetic energies of all the particles in an object.
 States that energy cannot be created or destroyed, only changed from one form to another.
5 True/False Questions

partially elastic collision → Colliding objects stick together after a collision.

wh (weight in newtons) x (height in meters) → What is the formula for gravitational potential energy GPE = ? and what do the variables mean?

radiant → Type of energy that can be radiated by matter or transmitted through a vacuum.

First Law of Thermodynamics → The total amount of energy entering a process equals the sum of all the forms of energy that exist at the end of the process.

efficiency → Compares the amount of usable energy produced with the amount available before the transformation.