The capture of light energy by a substance, when light is neither reflected nor refracted.
100
What is the definition of convection?
Motion of heated material due to gravity and differences in density; convection currents in the Earth's mantle provide forces that move tectonic plates.
100
What is the definition of mechanical energy?
Energy that can move objects through contact; the sum of potential energy and kinetic energies in a system.
100
What is the definition of radiation?
Energy that is emitted
100
What is the definition of sound energy?
Sound energy the vibrations that cause hearing and can travel through a variety of media.
200
What is the definition of chemical energy?
Energy contained in the chemical bonds between substances; food and gasoline contain chemical energy.
200
What is the definition of electrical energy?
The flow of electrons among atoms in a substance that conducts electricity.
200
What is the definition of medium?
The substance through which a wave travels.
200
What is the definition of reflection?
The change in the direction of a wave as it bounces off a surface.
200
What is the definition of wave?
A repeating vibration that travels through space and time.
300
What is the definition of circuit?
A system of electrical parts that provides a path for an electrical current.
300
What is the definition of energy?
The ability to generate a force that does work.
300
What is the definition of nonrenewable resource?
A resource that humans use more quickly than nature can replace, such as coal, natural gas, or oil.
300
What is the definition of refraction?
The change if direction of a wave caused by a change in speed as it passes from one medium into another.
300
When you go outside on a sunny day you might feel heat from the sun on your skin. What type of solar energy is this?
Infrared Radiation
400
What is the definition of conduction?
A form of heat transfer in which heat moves through a substance without the substance itself moving.
400
What is the definition of heat energy?
The form of energy arising from the motion of all the particles in a system; heat energy moves between things that are at different temperatures
400
What is the definition of nuclear energy?
Energy that comes from the nucleus of an atom when it splits or joins apart with other nuclei.
400
What is the definition of renewable resource?
A resource that is replaced through natural cycles, such as solar, wind, and hydroelectric power.
400
What form of energy requires a medium through which to travel?
Sound energy
500
What is the definition of conservation of energy?
The law physically stating that energy cannot be created or destroyed.
500
What is the definition of kinetic energy?
Energy that arises from an objects motion.
500
What is the definition of potential energy?
Energy that results from an objects position.
500
What is the definition of solar energy?
Energy that comes from the sun, includes light.
500
A purple object absorbs all colors of light except for...