8th Grade Exam 10 Question Preview (ID: 1222)


First Semester Exam Review Part 10.

The rate at which velocity changes over time
a) acceleration
b) speed
c) velocity
d) momentum

The quantity that tells how fast an object is moving and in which direction it is travelling
a) velocity
b) speed
c) inertia
d) acceleration

The trasfer of energy as heat through a substance by direct contace
a) conduction
b) convection
c) radiation
d) emancipation

The total kinetic energy of a substance's particles
a) thermal energy
b) specific heat
c) heat
d) conductor

The quantity of heat needed to raise the temperature of 1 kg of a substance 1 degree celcius
a) specific heat
b) heat
c) calorie
d) thermal energy

the transfer of thermal energy as electromagnetic waves
a) radiation
b) conduction
c) convection
d) translation

The energy transferred from an object at a higher temperature to an object with a lower temperature
a) heat
b) thermal
c) conduction
d) temperature

A material that reduces or prevents the transfer of energy by heat
a) thermal insulator
b) thermal conductor
c) styrofoam
d) aluminum foil

The transfer of energy by the circulation of a liquid or gas
a) convection
b) conduction
c) radiation
d) transplantation

A material through which energy can be transferred by heat.
a) thermal conductor
b) thermal insulator
c) radiation
d) convection

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