USTET study materials
USTET study resources

USTET key terms

USTET · Get comfortable with the vocabulary.

Analogy

A question that asks how one pair of words or ideas is related, then asks you to find a second pair with the same relationship.

Related: Odd One Out, Pattern Recognition
Syllogism

A reasoning problem with two or more premises and a conclusion; you decide whether the conclusion must be true if the premises are true.

Related: Logical Deduction, Inference
Number Series

A list of numbers that follows a hidden rule; you find the rule and use it to predict the next number or the missing one.

Related: Pattern Recognition, Analogy
Pattern Recognition

The skill of spotting a repeated rule, shape, or order in a set of items so you can predict what comes next.

Related: Number Series, Analogy
Odd One Out

A set of items in which all but one share a common feature; you identify the item that does not belong.

Related: Analogy, Pattern Recognition
Logical Deduction

Drawing a conclusion that must follow from given statements, using rules of reasoning rather than personal opinion or guesswork.

Related: Syllogism, Inference
Spatial Reasoning

The ability to picture, rotate, fold, or arrange shapes in your mind to solve a visual problem.

Related: Pattern Recognition, Analogy
Coding-Decoding

A puzzle in which letters, numbers, or symbols are replaced using a rule; you must decode a message or apply the rule to new text.

Related: Pattern Recognition, Logical Deduction
Synonym

A word that means nearly the same as another word in a given context, such as big and large. Writers use synonyms to avoid repeating the same word.

Related: Antonym, Connotation
Antonym

A word that means the opposite of another word, such as hot and cold. Antonyms help show contrast between ideas.

Related: Synonym, Denotation
Subject-Verb Agreement

The grammar rule that a verb must match its subject in number and person, so a singular subject takes a singular verb.

Related: Pronoun-Antecedent Agreement, Modifier
Pronoun-Antecedent Agreement

The rule that a pronoun must match the noun it refers to in number, gender, and person, so readers know exactly who or what is meant.

Related: Subject-Verb Agreement, Modifier
Modifier

A word or phrase that describes another word or phrase. A misplaced modifier attaches to the wrong word and makes the sentence confusing.

Related: Pronoun-Antecedent Agreement, Parallelism
Parallelism

Using the same grammatical form for items in a list or comparison so the sentence sounds balanced and clear.

Related: Modifier, Subject-Verb Agreement
Connotation

The feeling or association a word carries beyond its literal meaning, such as the negative tone of cheap compared with inexpensive.

Related: Denotation, Synonym
Denotation

The literal, dictionary meaning of a word, separate from the feelings or associations the word may suggest to readers.

Related: Connotation, Antonym
Ratio

A comparison of two quantities by division, often written as a to b or a:b, showing how many times one value contains another.

Related: Proportion, Percentage
Proportion

An equation that says two ratios are equal, such as 2/3 = 4/6. It is used to solve for an unknown value.

Related: Ratio, Percentage
Percentage

A number written as a part of 100, using the percent sign; 25% means 25 out of every 100.

Related: Ratio, Proportion
Mean

The arithmetic average of a data set, found by adding all the values and dividing the sum by the number of values.

Related: Median, Mode
Median

The middle value in an ordered data set. If there is an even number of values, it is the average of the two middle values.

Related: Mean, Mode
Mode

The value that appears most often in a data set. A set can have one mode, several modes, or no mode at all.

Related: Mean, Median
Probability

A number between 0 and 1 that measures how likely an event is, where 0 means impossible and 1 means certain.

Related: Permutation
Permutation

An arrangement of a group of items in which the order matters, such as the different ways three runners can finish a race.

Related: Probability
Prime Number

A whole number greater than 1 that has exactly two factors: 1 and itself, such as 2, 3, 5, and 7.

Hypothesis

A testable statement or prediction that an experiment can support or reject, based on observations and prior knowledge.

Related: Independent Variable, Dependent Variable
Independent Variable

The factor in an experiment that the scientist deliberately changes or manipulates in order to observe its effect on another factor.

Related: Dependent Variable, Hypothesis
Dependent Variable

The factor in an experiment that is measured or observed; it responds to changes in the independent variable.

Related: Independent Variable, Hypothesis
Photosynthesis

The process by which green plants use sunlight, water, and carbon dioxide to make glucose and release oxygen.

Related: Cellular Respiration
Cellular Respiration

The process cells use to release energy from glucose; it uses oxygen and produces carbon dioxide and water.

Related: Photosynthesis
Mitosis

The type of cell division that produces two genetically identical daughter cells, used for growth, repair, and asexual reproduction.

Related: Cellular Respiration
Density

The mass of a substance per unit volume, telling how much matter is packed into a given amount of space.

pH

A scale from 0 to 14 that measures how acidic or basic a solution is, with 7 being neutral.

Main Idea

The central point that a passage is mostly about; it is the idea that the supporting details explain or prove.

Related: Supporting Detail, Summary
Supporting Detail

A fact, example, reason, or description that explains, develops, or proves the main idea of a passage.

Related: Main Idea, Inference
Inference

A conclusion a reader draws by combining evidence in the text with reasonable background knowledge, even when the author does not state it directly.

Related: Main Idea, Supporting Detail
Tone

The writer's attitude toward the subject or audience, revealed through word choice and details rather than stated directly.

Related: Author's Purpose, Connotation
Author's Purpose

The reason a writer creates a passage, such as to inform, persuade, entertain, or explain something to the reader.

Related: Tone, Main Idea
Summary

A brief restatement of the main points of a passage, written in your own words and leaving out minor details.

Related: Main Idea, Supporting Detail
Context Clue

A word, phrase, or sentence near an unfamiliar word that helps you figure out its meaning from the surrounding text.

Related: Denotation, Connotation