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Vocabulary for IELTS Academic (Band 5) - Physics

Here, you will learn some English words related to Physics that are necessary for the Basic Academic IELTS exam.

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Vocabulary for IELTS Academic (Band 5)
electron
[noun]

a small particle in an atom with negative charge

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proton
[noun]

a small positively charged particle present in atoms

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neutron
[noun]

a small particle with no charge present in atoms

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quantum
[noun]

the smallest possible amount of a particular quantity that cannot be divided any further

Ex: Quantum electrodynamics is a quantum field theory that describes the interactions between electromagnetic fields and charged particles, such as electrons and photons.
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energy
[noun]

(physics) a source of power that is required to do any work that may exist in potential, kinetic, thermal and other forms

Ex: Chemical energy stored in batteries powers electronic devices.
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force
[noun]

(physics) an effect that causes a body to move or change direction

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gravity
[noun]

(physics) the universal force of attraction between any pair of objects with mass

Ex: The strength gravity on Earth 's surface is approximately 9.81 meters per second squared ( m / s² ) .
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wave
[noun]

(physics) an oscillating movement by which energy is transferred without the transport of matter, such as light and sound

Ex: The amplitude of wave affects its energy .
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tension
[noun]

the state of being under pressure as a result of getting stretched

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pressure
[noun]

(physics) the amount of force exerted per area that is measured in pascal, newton per square meter, etc.

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the ability to go back to the original form after being stretched

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density
[noun]

(physics) the degree to which a substance is compacted, measured by dividing its mass by its volume

Ex: To determine density of an object , you divide its mass by its volume .
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fusion
[noun]

(physics) a nuclear reaction by which the nuclei of atoms combine and form a heavier nucleus, producing nuclear energy

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a theory that explains the relationship between motion, space, and time

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potential
[noun]

the energy difference that drives current, typically measured in volts

Ex: The technician adjusted the circuit to maintain a potential throughout the system .
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particle
[noun]

(physics) any of the smallest units that energy or matter consists of, such as electrons, atoms, molecules, etc.

Ex: Scientists study the movement and interactions particles to understand the fundamental forces of nature .
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magnetism
[noun]

a phenomenon of atracting and repulsing forces that a moving electrical charge produces

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current
[noun]

a flow of electricity resulted from the movement of electrically charged particles in a direction

Ex: The alternator produces current by moving charged particles within its magnetic field .
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voltage
[noun]

the electronic potential and force whose measurement unit is volts

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