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Energy

STUDY
PLAY
Catalyst
substance that changes the rate of chemical reactions without changing its own structure
transformation
change of energy from one form to another
kinetic
energy of objects in motion
insulator
material that doesn't allow heat to be conducted easily
law of conservation of energy
energy cannot be created or destroyed
conduction
transfer of energy from particle to particle when there is a temperature difference
energy
ability to cause change
heat
thermal energy that moves from a warmer to a cooler object
potential
stored energy
radiation
energy that travels in waves in all directions from its source
temperature
measure of the average kinetic energy of particles.
endothermic
reaction that absorbs energy
chemical
energy stored within chemical bonds
convection
transfer of energy when particles move from place to place where there is a temperature difference
exothermic
reaction that gives off energy
Conductors
_______ are materials that can transfer thermal energy easily
thermals
Columns of warm air that are forced up as cold air sinks are _________.
chemical bonds
____________ are the forces that hold particles in a substance together.
catalysts
Substances that change the rate of a chemical reaction without themselves being changed are ___________.
enzymes
In your body, ____________ speed up cell processes.