7th Grade Unit 1 Thermal Energy Question Preview (ID: 60679)


Thermal Energy. TEACHERS: click here for quick copy question ID numbers.

The measure of the average amount of kinetic energy of particles is called
a) temperature
b) mass
c) volume
d) density

When thermal energy is transferred by particles touching, it is called
a) conduction
b) radiation
c) convection
d) rapid delivery

Heat transfer which occurs in fluids, where warmer fluids rise and cooler fluids sink, is called
a) convection
b) conduction
c) radiation
d) rapid delivery

Energy transfer that can occur without the presence of any type of matter is called
a) radiation
b) conduction
c) convection
d) rapid delivery

State of matter in which there is no definite shape, but there is a definite volume
a) liquid
b) solid
c) gas
d) Mississippi

State of matter with a definite shape and definite volume
a) solid
b) liquid
c) gas
d) Alaska

State of matter in which particles have no definite shape and no definite volume
a) gas
b) solid
c) liquid
d) Florida

Type of system in which matter cannot leave or enter
a) closed
b) open
c) storage
d) sound

When thermal energy is added to a sample of matter, particles ____________ and _________.
a) speed up; spread out
b) slow down; spread out
c) speed up; condense
d) slow down; condense

A substance which slows down the transfer of thermal energy is called a(n)
a) insulator
b) conductor
c) particle decelerator
d) particle accelerator

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