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Energy and Forces

Chapter 3, Lessons 1 - 4

Energy The ability to cause motion or create change
Electrical Energy The energy caused by the movement of electrically charged particles
Thermal Energy The energy caused by quickly moving atoms
Heat How we feel the flow of thermal energy moving from a warmer object to a cooler object
Sound Energy The energy of vibrations carried by water, air, and other types of matter
Light Energy Travels in waves from the sun; allows plants to grow
Kinetic Energy The energy of motion
Potential Energy The energy that is stored up in an object
Mechanical Energy A combination of both kinetic and potential energy
Conductor Allows thermal energy to move easily through it
Insulator Does NOT allow thermal energy to move easily through it
Refraction the bending of light when it passes into something new
Absorption occurs when an object takes in light waves, thereby stopping the light waves
Reflection occurs when light rays bounce off a surface, like a mirror
Vibration how sound moves
Waves how light moves
Friction the force that results when two objects rub against each other or when their touching prevents sliding
Prism a piece of glass that separates white light into different colors
Gravity a force that pulls two objects toward each other
Force 111111111 a push or pull that acts on an object
Magnetism the force that moves electric charges and magnetic materials
Created by: wces4