First Law of Thermodynamics

The study of how thermal energy is transformed into another types of energy is _________________________.

• Thermodynamics

• Power

• Temperature

Tags

NGSS.HS-PS3-4

The thermal energy entering the system from outside is called ________________.

• Work

• Heat

• Power

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NGSS.HS-PS3-4

To find the change in thermal energy, we need to use ____

• ΔU = 𝑚𝐶∆𝑇

• ΔU = ∆𝑇

• ΔU = 𝐶∆𝑇

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NGSS.HS-PS3-1

NGSS.HS-PS3-4

A kettle on fire receives 8000 J, the kettle kept shaking with 500 J work. Find the change in the kettle's thermal energy?

• 500 J

• 7500 J

• 8000 J

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NGSS.MS-PS1-4

Which law concentrates on the conservation of energy?

• 1st

• 2nd

• 3rd

• 4th

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NGSS.MS-PS3-5

Which law of conservation of states that energy of a system may change forms, but is neither created or destroyed.

• 1st

• 2nd

• 3rd

• Zeroeth

Thermodynamics is the study of ________ and heat.

• temperature

• energy

• mass

• force

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-4

What is Thermodynamics?

• Science of Energy Transfer

• Effect of energy transfer on the physical properties

• All are correct

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NGSS.HS-PS3-2

NGSS.HS-PS3-4

Which law of thermodynamics is also known as the Law of Energy Conservation?

• Zeroth Law

• First Law

• Second Law

• Third Law

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NGSS.HS-PS3-1

NGSS.HS-PS3-2

Which of the following best describes the First Law of Thermodynamics?

• Energy cannot be created or destroyed, only transformed.

• Entropy of a system always increases.

• Energy is always conserved in an isolated system.

• Heat flows from hot to cold spontaneously.

Tags

NGSS.HS-PS3-1