Thermal Energy

Front

What is temperature a measure of?

Back

kinetic energy of molecules

Front

What is the SI unit for measuring temperature?

Back

Kelvin

Front

What quantity does this equation help you calculate?
Options:

melting point of a substance

,

change in thermal energy

,

the potential energy of an object

,

the room temperature of a reaction

Back

change in thermal energy

Front

In the equation, what does C represent?

Back

specific heat of the material

Front

According to the table, which substance will feel hot more quickly? Options: wood, iron, water, carbon

Back

iron

Front

Change in thermal energy of a 20 kg wooden chair warming from 20⁰C to 55⁰C. Specific heat of wood: 700 J/(kg^.C).

Back

490,000 J

Front

Change in thermal energy if air (mass: 72 kg, specific heat: 1010 J/kg.C) warms from 15°C to 30°C?

Back

1,090,800 J

Front

The moving particles that make up an object have ____ energy.

Back

kinetic

Front

The amount of heat needed to raise the temperature of 1kg of some material by 1⁰C is called the ____ of the material.

Back

specific heat

Front

According to the laws of thermodynamics, thermal energy always moves _____.

Back

from the warmer substance to the colder substance.