Thermal Energy Grade 6 Vocabulary Science
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9 Terms
Thermal Energy
The total kinetic energy of all the randomly moving particles/molecules inside a substance.
Kinetic Energy
The energy an object or particle has due to its motion.
Temperature
A measurement of the average kinetic energy of the particles in a system.
Molecules
The tiny, individual particles of matter that vibrate, collide, and move.
System
A group of interacting, interrelated parts functioning together as a whole (like a cup, lid, and liquid).
Open System
A system where matter (like evaporating water) can freely enter or escape into the surroundings. ( Like Cup with a lid and straw has small openings /cup with no lid or straw- has larger openings).
Closed System
A system where matter is trapped and cannot enter or leave. ( Completely sealed no openings).
Air
The invisible mixture of gases that makes up the Earth's atmosphere and is essential for life on Earth.
Condensation
Phase change of matter as a gas changes into liquid water droplets.