e-Worksheet: The Zeroth Law and First Law of Thermodynamics

The sum of the (Kinetic Energy_Particles + Potential Energy_Particles) in a system, is the _____ _____ of the system.

Tags

NGSS.HS-PS3-1

Measuring the average kinetic energy of all the particles in the beaker of water is measuring the _____ of the water.

Tags

NGSS.HS-PS3-2

_____ _____ is the total kinetic energy of the random motion of the atoms or molecules composing the water.

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

One way to change a body's internal energy(U) is to have heat transfer between bodies. In the Figure shown with the lavender blocks in thermal contact, heat transfer would _____.

• flow from left to right

• flow from right to left

• go back and forth between the 2 objects

• not flow between the 2 objects.

Tags

NGSS.HS-PS3-4

The internal energy(U) of a body depends upon which of the following properties? _____.

• Physical State of Matter

• Material Composition

• Temperature

• Internal energy depends upon all of these properties.

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NGSS.HS-PS1-5

Essentially, the _____ is the Law of Conservation of Energy applied to a thermal system.

Tags

NGSS.HS-PS3-4

A(n) _____ is a well-defined set of atoms, molecules, particles or objects.

Tags

NGSS.HS-PS1-3

NGSS.HS-PS3-1

NGSS.HS-PS3-2

The mathematical equation, using symbols, representing the First Law of Thermodynamics is _____.

• U₁ + U₂ = W + Q

• Δ U = Q - W

• W₂ - W₁ = Q - ΔU

• Δ U = Q + W

Tags

NGSS.HS-PS3-1

Work(W), a form of energy, is considered as _____(word) when work is done on the system.

Which piston in the Figure (b), represents the motion of air particles inside the piston, if it is in thermal contact with a heat source, at the bottom? The _____ piston, represents the motion of heated air particles.

• right

• left

• both

• neither

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4