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10th-grade-vocabulary-words

English Vocabulary · Grade 10 Live Review Preview

10th Grade Vocabulary Words

Tenth-grade reading asks learners to move confidently among literary analysis, argument, source evaluation, laboratory science, mathematics, computing, history, economics, psychology, philosophy, and the arts. This level emphasizes precise academic language, disciplinary meanings, connotation, word relationships, and the ability to interpret unfamiliar vocabulary in demanding context.

This independently authored 800-word beta curriculum is arranged in twenty-three pages of up to thirty-five words. Pages containing words 1–500 include five cloze questions drawn only from that enhanced range; words 501–800 remain fully visible and editable as list pages while expanded practice is developed. Every row includes an editable subject-field label and a conservative word-study note about transparent affixes, compound structure, capitalization, or dictionary base forms. The cited sources calibrate range and difficulty only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.

Please note: the vocabulary lists for grades 9~11 have been selected to ensure no overlap with the previous grade level. If the words are too specialized or difficult for you, please go back to grade levels 4~8 and review the words on those pages.

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800 words
Words 351–385 of 800
#WordDetailsMeaningSample sentence
351vector quantitynoun
Study

Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: vector + quantity. Study the complete expression as one field-specific unit.

a measurement described by both magnitude and directionVelocity is a vector quantity because direction matters.
352free-fall accelerationnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: free + fall + acceleration. Study the complete expression as one field-specific unit.

the acceleration of an object caused only by gravityNear Earth's surface, free-fall acceleration is about 9.8 meters per second squared.
353projectile motionnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: projectile + motion. Study the complete expression as one field-specific unit.

the curved motion of an object launched and then influenced mainly by gravityThe ball's projectile motion combines horizontal travel with vertical acceleration.
354uniform circular motionnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: uniform + circular + motion. Study the complete expression as one field-specific unit.

motion at constant speed along a circular pathA satellite in uniform circular motion continually changes direction.
355centripetal accelerationnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: centripetal + acceleration. Study the complete expression as one field-specific unit.

acceleration directed toward the center of a circular pathCentripetal acceleration turns the velocity vector inward.
356centripetal forcenoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: centripetal + force. Study the complete expression as one field-specific unit.

the net inward force that keeps an object moving along a curved pathFriction supplies the centripetal force for a turning car.
357rotational equilibriumnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: rotational + equilibrium. Study the complete expression as one field-specific unit.

a state in which net torque is zero and angular motion does not changeThe balanced beam is in rotational equilibrium.
358angular velocitynoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: angular + velocity. Study the complete expression as one field-specific unit.

the rate and direction of rotational position changeThe wheel's angular velocity doubled.
359angular momentumnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: angular + momentum. Study the complete expression as one field-specific unit.

a quantity of rotational motion determined by mass distribution and angular velocityThe skater's angular momentum remains constant as she pulls in her arms.
360subduction zonenoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: subduction + zone. Study the complete expression as one field-specific unit.

a region where one tectonic plate descends beneath anotherEarthquakes and volcanoes occur along the subduction zone.
361paleomagnetismnoun
Study

Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Suffix focus: -ism often names a belief, system, movement, or practice.

the record of ancient magnetic fields preserved in rocksPaleomagnetism revealed symmetrical magnetic stripes on both sides of the ridge.
362mantle convectionnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: mantle + convection. Study the complete expression as one field-specific unit.

slow circulation of hot and cooler material within Earth's mantleMantle convection transfers heat and contributes to plate motion.
363fault planenoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: fault + plane. Study the complete expression as one field-specific unit.

the surface along which rock masses slip during fault movementThe rupture spread across the fault plane.
364elastic reboundnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: elastic + rebound. Study the complete expression as one field-specific unit.

the sudden return of deformed rock toward its original shape after a fault slipsElastic rebound released stored strain energy during the earthquake.
365radioactive datingnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: radioactive + dating. Study the complete expression as one field-specific unit.

age determination based on predictable decay of radioactive isotopesRadioactive dating placed the volcanic ash at two million years old.
366half-lifenoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: half + life. Study the complete expression as one field-specific unit.

the time required for half the radioactive nuclei in a sample to decayCarbon-14 has a half-life of about 5,730 years.
367index fossilnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: index + fossil. Study the complete expression as one field-specific unit.

a widespread fossil from a limited time span used to compare rock agesThe same index fossil linked two distant rock layers.
368geologic correlationnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: geologic + correlation. Study the complete expression as one field-specific unit.

matching rock units or events across different locationsGeologic correlation connected the ash layer on opposite sides of the valley.
369climate forcingnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: climate + forcing. Study the complete expression as one field-specific unit.

a factor that changes Earth's energy balance and pushes climate toward warming or coolingA rise in greenhouse gases creates positive climate forcing.
370radiative balancenoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: radiative + balance. Study the complete expression as one field-specific unit.

the relationship between energy entering and leaving a planet's systemA change in radiative balance can alter global temperature.
371albedo effectnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: albedo + effect. Study the complete expression as one field-specific unit.

the influence of surface reflectivity on absorbed solar energyMelting sea ice strengthens warming through the albedo effect.
372carbon sourcenoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: carbon + source. Study the complete expression as one field-specific unit.

a process or reservoir that releases more carbon than it absorbs over a stated periodBurning fossil fuel is a major carbon source.
373rate constantnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: rate + constant. Study the complete expression as one field-specific unit.

the proportionality value connecting reaction rate with reactant concentrations in a rate lawThe rate constant increased when the reaction mixture was heated.
374transition statenoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: transition + state. Study the complete expression as one field-specific unit.

a brief high-energy arrangement of atoms at the top of a reaction pathwayThe catalyst lowered the energy needed to reach the transition state.
375reaction quotientnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: reaction + quotient. Study the complete expression as one field-specific unit.

a ratio calculated like an equilibrium constant but using current rather than equilibrium concentrationsThe reaction quotient showed that the system would shift toward products.
376Le Châtelier's principleproper noun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: Le + Châtelier's + principle. Study the complete expression as one field-specific unit.

the rule that an equilibrium system responds to a disturbance in a direction that reduces its effectLe Châtelier's principle predicts that removing a product can drive the reaction forward.
377solubility productnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: solubility + product. Study the complete expression as one field-specific unit.

an equilibrium constant for the dissolution of a sparingly soluble ionic compoundThe small solubility product indicates that very little silver chloride dissolves.
378common-ion effectnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: common + ion + effect. Study the complete expression as one field-specific unit.

reduced solubility or ionization caused by adding an ion already present in an equilibriumAdding chloride produced a common-ion effect that decreased silver chloride solubility.
379buffer capacitynoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: buffer + capacity. Study the complete expression as one field-specific unit.

the amount of acid or base a buffer can absorb before its pH changes substantiallyA concentrated buffer has greater buffer capacity than a dilute buffer with the same component ratio.
380Henderson–Hasselbalch equationproper noun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: Henderson–Hasselbalch + equation. Study the complete expression as one field-specific unit.

an equation relating a buffer's pH to its acid dissociation constant and base-to-acid ratioThe Henderson–Hasselbalch equation estimated the buffer pH from the conjugate pair concentrations.
381galvanic cellnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: galvanic + cell. Study the complete expression as one field-specific unit.

an electrochemical device that converts energy from a spontaneous redox reaction into electrical energyElectrons flowed through the wire of the galvanic cell from zinc to copper.
382electrolytic cellnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: electrolytic + cell. Study the complete expression as one field-specific unit.

an electrochemical device that uses external electrical energy to drive a nonspontaneous reactionThe electrolytic cell deposited a thin layer of copper on the metal key.
383standard reduction potentialnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: standard + reduction + potential. Study the complete expression as one field-specific unit.

the voltage assigned to a reduction half-reaction under standard conditions relative to a reference electrodeA more positive standard reduction potential indicates a stronger tendency to be reduced.
384Faraday constantproper noun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: Faraday + constant. Study the complete expression as one field-specific unit.

the electric charge carried by one mole of electronsThe calculation used the Faraday constant to convert electron moles into coulombs.
385electrochemical cellnoun
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Field: Grade 10 chemistry, physics, and Earth-systems term

Word study: Term structure: electrochemical + cell. Study the complete expression as one field-specific unit.

a system in which oxidation and reduction reactions transfer electrons through an external circuitThe electrochemical cell separates the two half-reactions so their electrons travel through a wire.

Vocabulary reading and practice

Page 11 vocabulary review

Review five selected words from page 11.

Vocabulary quiz

Complete 5 review questions for this page.

1. A concentrated buffer has greater ___ than a dilute buffer with the same component ratio.

Answer: buffer capacity

2. A satellite in ___ continually changes direction.

Answer: uniform circular motion

3. The same ___ linked two distant rock layers.

Answer: index fossil

4. The ___ estimated the buffer pH from the conjugate pair concentrations.

Answer: Henderson–Hasselbalch equation

5. ___ turns the velocity vector inward.

Answer: centripetal acceleration

Sources and curriculum references

These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.