English Vocabulary · Grade 6 Live Review Preview

6th Grade Vocabulary Words

Sixth-grade readers move beyond recognizing important words to examining how precise language shapes evidence, argument, literature, science, mathematics, history, and civic discussion. This level emphasizes context clues, Greek and Latin word parts, multiple meanings, source evaluation, and vocabulary that supports clear analytical speaking and writing.

This independently authored 500-word beta curriculum is arranged in twenty pages of twenty-five words each. Words 1–300 include five cloze questions per page; words 301–500 remain fully visible and editable as list pages while the expanded practice layer is developed. Each row includes a subject-field label and an editable word-study note about a transparent affix, compound structure, capitalization, or dictionary base form. References calibrated level and coverage only; all learner-facing definitions and sample sentences are original KSSR copy.

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Words 301–325 of 500
#	Word	Details	Meaning	Sample sentence
301	subatomic particle	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: subatomic + particle. Study the complete expression as one field-specific unit.	a particle smaller than an atom, such as a proton, neutron, or electron	An electron is a negatively charged subatomic particle.
302	chemical compound	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: chemical + compound. Study the complete expression as one field-specific unit.	a substance formed when elements bond in fixed proportions	Water is a chemical compound made of hydrogen and oxygen.
303	concentration	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	the amount of a substance present in a given volume	Evaporation increased the salt concentration in the remaining water.
304	chemical element	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: chemical + element. Study the complete expression as one field-specific unit.	a pure substance made of only one kind of atom	Gold is a chemical element represented by the symbol Au.
305	suspension	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	a mixture containing particles that may settle out over time	Muddy water is a suspension because soil particles eventually sink.
306	chemical bond	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: chemical + bond. Study the complete expression as one field-specific unit.	an attraction that holds atoms or ions together	A chemical bond joins the hydrogen and oxygen atoms in water.
307	physical change	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: physical + change. Study the complete expression as one field-specific unit.	a change in form that does not create a new substance	Melting ice is a physical change.
308	reactant	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: reactant is the dictionary headword; compare its inflected or derived forms in context.	a starting substance in a chemical reaction	Oxygen is a reactant when wood burns.
309	homogeneous mixture	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: homogeneous + mixture. Study the complete expression as one field-specific unit.	a mixture with the same composition throughout	Salt water is a homogeneous mixture when the salt dissolves completely.
310	solute	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: solute is the dictionary headword; compare its inflected or derived forms in context.	the substance dissolved in a solution	Sugar is the solute in sweetened tea.
311	constraint	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: constraint is the dictionary headword; compare its inflected or derived forms in context.	a limit or requirement that a design must meet	Cost was a constraint when the team chose building materials.
312	prototype	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: prototype is the dictionary headword; compare its inflected or derived forms in context.	an early model built to test a design	The engineers tested a cardboard prototype before using metal.
313	iteration	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	one repeated version in a process of testing and improvement	Each iteration of the bridge held more weight.
314	mechanism	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ism often names a belief, system, movement, or practice.	a set of moving parts that work together to perform a task	A spring mechanism closes the door automatically.
315	optimize	verb Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply.	to make something work as effectively as possible	The team will optimize the blade angle to capture more wind.
316	specification	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a detailed requirement describing how something should be made or perform	The ramp must meet the safety specification for maximum slope.
317	integrated system	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: integrated + system. Study the complete expression as one field-specific unit.	a group of connected parts designed to operate together	The greenhouse uses an integrated system for heating, watering, and ventilation.
318	technology	noun Study Field: Grade 6 science and mathematics word Word study: Root and suffix focus: -logy means the study of a subject.	tools and knowledge used to solve practical problems	Solar technology converts sunlight into useful electricity.
319	trade-off	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: trade + off. Study the complete expression as one field-specific unit.	a balance in which gaining one benefit requires giving up another	Using stronger metal created a trade-off between strength and cost.
320	troubleshoot	verb Study Field: Grade 6 science and mathematics word Word study: Base-form focus: troubleshoot is the dictionary headword; compare its inflected or derived forms in context.	to locate and solve the cause of a problem	The technician will troubleshoot the circuit one connection at a time.
321	coefficient	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: coefficient is the dictionary headword; compare its inflected or derived forms in context.	a number multiplied by a variable in an expression	In 5x, the number 5 is the coefficient.
322	coordinate plane	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: coordinate + plane. Study the complete expression as one field-specific unit.	a grid formed by two number lines used to locate points	Plot the point at (3, 2) on the coordinate plane.
323	multiplicative inverse	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: multiplicative + inverse. Study the complete expression as one field-specific unit.	a number that produces one when multiplied by a given nonzero number	One-fourth is the multiplicative inverse of four.
324	distributive property	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: distributive + property. Study the complete expression as one field-specific unit.	a rule for multiplying a sum by multiplying each addend separately	The distributive property changes 3(4 + 2) into 12 + 6.
325	algebraic equation	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: algebraic + equation. Study the complete expression as one field-specific unit.	a statement that two algebraic expressions have equal value	The algebraic equation x + 4 = 9 has the solution x = 5.

Vocabulary reading and practice

Mixing Matter

Reading practice for pages 13–15. Five relevant words are highlighted.

English reading

A copper wire is made from a chemical element, while salt is a chemical compound. Each substance contains more than one kind of subatomic particle. In another beaker, soil forms a suspension in water. Adding more soil raises its concentration.

Reading comprehension

1. Which material is a chemical element?

Copper is a chemical element.

2. What forms a suspension?

Soil forms a suspension in water.

3. What raises the concentration?

Adding more soil raises the concentration.

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

6th Grade Vocabulary Words

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Mixing Matter

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