Energy Exam

Question	Answer
Factors that affect kinetic energy	mass and speed
Examples of a Physical Change	Changing the state of the material, changing the shape of the material
Definition of Transform	Change from one state to another
What is an indicator of sound energy?	We can hear a sound.
Which forms of energy are kinetic?	thermal, sound, radiant, electrical
Which forms of energy are potential?	chemical, elastic, gravitational
What are the three ways heat can be transferred?	conduction, convection, radiation
What factors affect elastic potential energy?	distance stretched (or compressed) material of object
What factors affect gravitational potential energy?	Distance from surface, mass of object, gravity
What factors affect thermal energy?	mass, temperature
What factors affect chemical energy?	mass, material of the object
What are conductors?	materials that allow electricity to flow easily
What are insulators?	materials that do not allow electricity to flow through easily
What are the two types of waves?	longitudinal and transverse
When would a roller coaster have the most Kinetic Energy?	When the roller coaster goes the fastest. At the bottom of a hill.
When would a roller coaster have the most potential energy?	When it is the farthest from the ground. At the top.
What is the energy transformation for a flashlight?	mechanical to chemical to electrical to light to thermal
Where does all energy come from?	The sun
Do all objects have thermal energy?	Yes
Define sound energy	The energy from the vibration of air
Define radiant energy	energy that is given off in the form of radiation
Define electrical energy	energy from the flow of electrons
define kinetic energy	energy from the motion of an object
define potential energy	stored energy
define chemical energy	energy stored in chemical bonds
Define thermal energy	energy from the movement of all particles in an object

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	Created by Becka Ache almost 9 years ago