Absorption is the capture of light energy by a substance, when the light is neither reflected nor refracted.
100
What is convection?
Convection is the motion of heated material due to gravity and differences in density; convection currents in the Earth's mantel produce forces that move tectonic plates.
100
What is mechanical energy?
Mechanical energy is energy that can move objects through contact; the sum of potential and kinetic energies in a system.
100
What is radiation?
Radiation is energy that is emitted in the form of waves or particles.
100
What is sound energy?
Sound energy is the vibrations that cause hearing and can travel through a variety of media.
200
What is chemical energy?
Chemical energy is energy contained in the energy bonds between substances; food and gasoline contain chemical energy.
200
What is electrical energy?
Electrical energy is the flow of electrons among atoms in a substance that conducts electricity.
200
What is a medium?
A medium is the substance through which a wave travels.
200
What is reflection?
Reflection is the change in the direction of a wave as it bounces off a surface.
200
What is a wave?
A wave is a repeating vibration that travels through space and time.
300
What is a circuit?
A circuit is a system of electrical part that provides a path for an electrical current.
300
What is energy?
Energy is the ability to generate a force that does work.
300
What is a nonrenewable resource?
A nonrenewable resource is the resource that humans use more quickly than nature can replace, such as coal natural gas, and oil.
300
What is refraction?
Refraction is the change of the direction of a wave caused by a change in speed as it passes from one medium to another.
300
Name three types of solar energy.
Ultraviolet radiation, infrared radiation, and visible light
400
What is conduction?
Conduction is a form of heat transfer in which heat moves through a substance without the substance itself moving.
400
What is heat energy?
Heat energy is the form of energy arising from the motion of all the particles in a system; heat energy moves between things that are at different temperature also called heat energy.
400
What is nuclear energy?
Nuclear energy is energy that comes from the nucleus of an atom when it splits apart or joins together with other nuclei.
400
What is a renewable resource?
A renewable resource is a resource that is replaced through natural cycles, such as solar, wind, and hydroelectric power.
400
When you speak you produce wave energy. Name the energy and the medium through which this energy moves.
energy-sound energy
medium- air
500
What is conservation of energy?
Conservation of energy is the physical law stating that energy cannot be created or destroyed.
500
What is kinetic energy?
Kinetic energy is energy that arises from an object's motion.
500
What is potential energy?
Potential energy is energy that results from an objects position.
500
What is solar energy?
Solar energy is energy that comes from the sun; includes light.
500
What natural occurrence results from raindrops refracting sunlight?