This is the energy all living things obtain in order to live.
What is chemical energy?
It is composed of molecules with no definite shape or volume.
What is a gas?
Particles in matter are constantly in __________.
What is random motion?
Chopping
physical
When the ice in your drink melts, the ice _______ energy.
What is gains?
A soccer ball is part of a system when it interacts with the net. What kind of energy?
What is kinetic energy?
The smallest particle of a single element.
What is an atom?
It transfers energy without transferring matter.
What is a wave?
burning wood
chemical
When condensation occurs on grass, the water vapor _________ energy.
What is loses?
Energy that moves in waves.
What is electromagnetic energy?
Matter that has a definite volume but no definite shape.
What is a liquid?
Release of energy
exothermic
freezing water
physical
This change occurs when a liquid loses energy.
What is freezing?
Energy based on position.
What is potenital energy?
It is composed of tightly packed molecules, with definite shape and volume.
What is a solid?
The average kinetic energy of particles.
What is temperature?
cooking an egg
chemical
Boiling causes water to gain energy, this process causes an _________.
exothermic reaction?
The sum of kinetic and potential energy in the particles of an object.
What is thermal energy?
Salt is composed of particles of sodium and chloride, a single sodium chloride is a _____________.
What is molecule?
absorbs energy
endothermic
mixing coke and milk
chemical and physical
When ice cream melts this is an
endothermic reaction